1898192 has 40 divisors (see below), whose sum is σ = 3928320. Its totient is φ = 887040.

The previous prime is 1898179. The next prime is 1898201. The reversal of 1898192 is 2918981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21284 + ... + 21372.

It is an arithmetic number, because the mean of its divisors is an integer number (98208).

2^1898192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1898192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1964160).

1898192 is an abundant number, since it is smaller than the sum of its proper divisors (2030128).

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

1898192 is a wasteful number, since it uses less digits than its factorization.

1898192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its digits is 10368, while the sum is 38.

The square root of 1898192 is about 1377.7488885860. The cubic root of 1898192 is about 123.8169341671.

The spelling of 1898192 in words is "one million, eight hundred ninety-eight thousand, one hundred ninety-two".