899781252 has 48 divisors (see below), whose sum is σ = 2306088960. Its totient is φ = 271785888.

The previous prime is 899781241. The next prime is 899781263. The reversal of 899781252 is 252187998.

It is an interprime number because it is at equal distance from previous prime (899781241) and next prime (899781263).

It is a junction number, because it is equal to n+sod(n) for n = 899781195 and 899781204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80548 + ... + 91035.

It is an arithmetic number, because the mean of its divisors is an integer number (48043520).

Almost surely, 2^899781252 is an apocalyptic number.

It is an amenable number.

899781252 is an abundant number, since it is smaller than the sum of its proper divisors (1406307708).

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

899781252 is a wasteful number, since it uses less digits than its factorization.

899781252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171632 (or 171630 counting only the distinct ones).

The product of its digits is 725760, while the sum is 51.

The square root of 899781252 is about 29996.3539784421. The cubic root of 899781252 is about 965.4111564630.

The spelling of 899781252 in words is "eight hundred ninety-nine million, seven hundred eighty-one thousand, two hundred fifty-two".