898764 has 12 divisors (see below), whose sum is σ = 2097144. Its totient is φ = 299584.

The previous prime is 898763. The next prime is 898769. The reversal of 898764 is 467898.

898764 = 312² + 313² + ... + 320².

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898764.

It is not an unprimeable number, because it can be changed into a prime (898763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37437 + ... + 37460.

It is an arithmetic number, because the mean of its divisors is an integer number (174762).

2⁸⁹⁸⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

898764 is an abundant number, since it is smaller than the sum of its proper divisors (1198380).

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

898764 is a wasteful number, since it uses less digits than its factorization.

898764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74904 (or 74902 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 898764 is about 948.0316450415. The cubic root of 898764 is about 96.5047202538.

The spelling of 898764 in words is "eight hundred ninety-eight thousand, seven hundred sixty-four".