869492464 has 40 divisors (see below), whose sum is σ = 1749209472. Its totient is φ = 418248960.

The previous prime is 869492447. The next prime is 869492473. The reversal of 869492464 is 464294968.

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 7 ways as a sum of consecutive naturals, for example, 80742 + ... + 90874.

Almost surely, 2^869492464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869492464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (874604736).

869492464 is an abundant number, since it is smaller than the sum of its proper divisors (879717008).

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

869492464 is a wasteful number, since it uses less digits than its factorization.

869492464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345 (or 10339 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 52.

The square root of 869492464 is about 29487.1576114077. The cubic root of 869492464 is about 954.4545971609.

The spelling of 869492464 in words is "eight hundred sixty-nine million, four hundred ninety-two thousand, four hundred sixty-four".