889465398 has 64 divisors (see below), whose sum is σ = 1966410432. Its totient is φ = 267038720.

The previous prime is 889465391. The next prime is 889465403. The reversal of 889465398 is 893564988.

It is a happy number.

It is a super-2 number, since 2×889465398² = 1582297388478596808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889465391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219640 + ... + 223652.

It is an arithmetic number, because the mean of its divisors is an integer number (30725163).

Almost surely, 2^889465398 is an apocalyptic number.

889465398 is an abundant number, since it is smaller than the sum of its proper divisors (1076945034).

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

889465398 is a wasteful number, since it uses less digits than its factorization.

889465398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129.

The product of its digits is 14929920, while the sum is 60.

The square root of 889465398 is about 29823.9064845637. The cubic root of 889465398 is about 961.7075361198.

Subtracting from 889465398 its product of digits (14929920), we obtain a palindrome (874535478).

The spelling of 889465398 in words is "eight hundred eighty-nine million, four hundred sixty-five thousand, three hundred ninety-eight".