1898608 has 20 divisors (see below), whose sum is σ = 3716280. Its totient is φ = 939584.

The previous prime is 1898593. The next prime is 1898609. The reversal of 1898608 is 8068981.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158 + ... + 2266.

It is an arithmetic number, because the mean of its divisors is an integer number (185814).

2^1898608 is an apocalyptic number.

It is an amenable number.

1898608 is a deficient number, since it is larger than the sum of its proper divisors (1817672).

1898608 is a wasteful number, since it uses less digits than its factorization.

1898608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1898608 is about 1377.8998512229. The cubic root of 1898608 is about 123.8259785775.

The spelling of 1898608 in words is "one million, eight hundred ninety-eight thousand, six hundred eight".