898728 has 16 divisors (see below), whose sum is σ = 2246880. Its totient is φ = 299568.

The previous prime is 898727. The next prime is 898753. The reversal of 898728 is 827898.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 898728.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898728.

It is not an unprimeable number, because it can be changed into a prime (898727) 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, 18700 + ... + 18747.

It is an arithmetic number, because the mean of its divisors is an integer number (140430).

2⁸⁹⁸⁷²⁸ is an apocalyptic number.

It is an amenable number.

898728 is an abundant number, since it is smaller than the sum of its proper divisors (1348152).

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

898728 is a wasteful number, since it uses less digits than its factorization.

898728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37456 (or 37452 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 898728 is about 948.0126581433. The cubic root of 898728 is about 96.5034317374.

The spelling of 898728 in words is "eight hundred ninety-eight thousand, seven hundred twenty-eight".