869169252 has 36 divisors (see below), whose sum is σ = 2359175280. Its totient is φ = 248333904.

The previous prime is 869169247. The next prime is 869169263. The reversal of 869169252 is 252961968.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738502 + ... + 739677.

Almost surely, 2^869169252 is an apocalyptic number.

It is an amenable number.

869169252 is an abundant number, since it is smaller than the sum of its proper divisors (1490006028).

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

869169252 is a wasteful number, since it uses less digits than its factorization.

869169252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478200 (or 1478191 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 869169252 is about 29481.6765466281. The cubic root of 869169252 is about 954.3363176571.

The spelling of 869169252 in words is "eight hundred sixty-nine million, one hundred sixty-nine thousand, two hundred fifty-two".