869492436 has 36 divisors (see below), whose sum is σ = 2049390336. Its totient is φ = 286920800.

The previous prime is 869492369. The next prime is 869492447. The reversal of 869492436 is 634294968.

It is a super-2 number, since 2×869492436² = 1512034192522428192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118861 + ... + 125963.

Almost surely, 2^869492436 is an apocalyptic number.

It is an amenable number.

869492436 is an abundant number, since it is smaller than the sum of its proper divisors (1179897900).

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

869492436 is a wasteful number, since it uses less digits than its factorization.

869492436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312 (or 7209 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The square root of 869492436 is about 29487.1571366248. The cubic root of 869492436 is about 954.4545869156.

The spelling of 869492436 in words is "eight hundred sixty-nine million, four hundred ninety-two thousand, four hundred thirty-six".