869785532 has 48 divisors (see below), whose sum is σ = 1900039680. Its totient is φ = 338462400.

The previous prime is 869785513. The next prime is 869785561. The reversal of 869785532 is 235587968.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405182 + ... + 407322.

It is an arithmetic number, because the mean of its divisors is an integer number (39584160).

Almost surely, 2^869785532 is an apocalyptic number.

It is an amenable number.

869785532 is an abundant number, since it is smaller than the sum of its proper divisors (1030254148).

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

869785532 is a wasteful number, since it uses less digits than its factorization.

869785532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482 (or 3480 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 53.

The square root of 869785532 is about 29492.1266103345. The cubic root of 869785532 is about 954.5618201254.

The spelling of 869785532 in words is "eight hundred sixty-nine million, seven hundred eighty-five thousand, five hundred thirty-two".