898161264 has 640 divisors, whose sum is σ = 3626434560. Its totient is φ = 205286400.

The previous prime is 898161241. The next prime is 898161337. The reversal of 898161264 is 462161898.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 13405359 + ... + 13405425.

It is an arithmetic number, because the mean of its divisors is an integer number (5666304).

Almost surely, 2^898161264 is an apocalyptic number.

898161264 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 898161264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1813217280).

898161264 is an abundant number, since it is smaller than the sum of its proper divisors (2728273296).

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

898161264 is a wasteful number, since it uses less digits than its factorization.

898161264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 134 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 898161264 is about 29969.3387314435. The cubic root of 898161264 is about 964.8314251787.

The spelling of 898161264 in words is "eight hundred ninety-eight million, one hundred sixty-one thousand, two hundred sixty-four".