899838252 has 36 divisors (see below), whose sum is σ = 2394308280. Its totient is φ = 284159232.

The previous prime is 899838241. The next prime is 899838259. The reversal of 899838252 is 252838998.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (899838259) 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, 657093 + ... + 658460.

Almost surely, 2^899838252 is an apocalyptic number.

It is an amenable number.

899838252 is an abundant number, since it is smaller than the sum of its proper divisors (1494470028).

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

899838252 is a wasteful number, since it uses less digits than its factorization.

899838252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315582 (or 1315577 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 899838252 is about 29997.3040788668. The cubic root of 899838252 is about 965.4315418896.

The spelling of 899838252 in words is "eight hundred ninety-nine million, eight hundred thirty-eight thousand, two hundred fifty-two".