1898208 has 96 divisors (see below), whose sum is σ = 5997600. Its totient is φ = 584064.

The previous prime is 1898201. The next prime is 1898209. The reversal of 1898208 is 8028981.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1898208² = 7206387222528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146010 + ... + 146022.

It is an arithmetic number, because the mean of its divisors is an integer number (62475).

2^1898208 is an apocalyptic number.

1898208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1898208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998800).

1898208 is an abundant number, since it is smaller than the sum of its proper divisors (4099392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1898208 is an equidigital number, since it uses as much as digits as its factorization.

1898208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58 (or 18 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1898208 is about 1377.7546951471. The cubic root of 1898208 is about 123.8172820535.

The spelling of 1898208 in words is "one million, eight hundred ninety-eight thousand, two hundred eight".