869646534 has 64 divisors (see below), whose sum is σ = 1849098240. Its totient is φ = 272230560.

The previous prime is 869646529. The next prime is 869646541. The reversal of 869646534 is 435646968.

It is a happy number.

869646534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1815307 + ... + 1815785.

It is an arithmetic number, because the mean of its divisors is an integer number (28892160).

Almost surely, 2^869646534 is an apocalyptic number.

869646534 is an abundant number, since it is smaller than the sum of its proper divisors (979451706).

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

869646534 is a wasteful number, since it uses less digits than its factorization.

869646534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its digits is 3732480, while the sum is 51.

The square root of 869646534 is about 29489.7699889301. The cubic root of 869646534 is about 954.5109687958.

The spelling of 869646534 in words is "eight hundred sixty-nine million, six hundred forty-six thousand, five hundred thirty-four".