1898928 has 30 divisors (see below), whose sum is σ = 5314764. Its totient is φ = 632928.

The previous prime is 1898921. The next prime is 1898959. The reversal of 1898928 is 8298981.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1898921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6450 + ... + 6737.

2^1898928 is an apocalyptic number.

1898928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1898928 is an abundant number, since it is smaller than the sum of its proper divisors (3415836).

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

1898928 is a wasteful number, since it uses less digits than its factorization.

1898928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13201 (or 13192 counting only the distinct ones).

The product of its digits is 82944, while the sum is 45.

The square root of 1898928 is about 1378.0159650744. The cubic root of 1898928 is about 123.8329349173.

The spelling of 1898928 in words is "one million, eight hundred ninety-eight thousand, nine hundred twenty-eight".