899459520 has 56 divisors (see below), whose sum is σ = 2855787024. Its totient is φ = 239855616.

The previous prime is 899459489. The next prime is 899459521. The reversal of 899459520 is 25954998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899459521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467509 + ... + 469428.

Almost surely, 2^899459520 is an apocalyptic number.

899459520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899459520 is an abundant number, since it is smaller than the sum of its proper divisors (1956327504).

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

899459520 is a wasteful number, since it uses less digits than its factorization.

899459520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936957 (or 936947 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 51.

The square root of 899459520 is about 29990.9906471927. The cubic root of 899459520 is about 965.2960763850.

The spelling of 899459520 in words is "eight hundred ninety-nine million, four hundred fifty-nine thousand, five hundred twenty".