898711920 has 60 divisors (see below), whose sum is σ = 3018176616. Its totient is φ = 239656320.

The previous prime is 898711901. The next prime is 898711921. The reversal of 898711920 is 29117898.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (898711921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 623386 + ... + 624825.

Almost surely, 2^898711920 is an apocalyptic number.

898711920 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

898711920 is an abundant number, since it is smaller than the sum of its proper divisors (2119464696).

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

898711920 is a wasteful number, since it uses less digits than its factorization.

898711920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248230 (or 1248221 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 898711920 is about 29978.5243132480. The cubic root of 898711920 is about 965.0285618901.

The spelling of 898711920 in words is "eight hundred ninety-eight million, seven hundred eleven thousand, nine hundred twenty".