869475384 has 56 divisors (see below), whose sum is σ = 2444297760. Its totient is φ = 289823184.

The previous prime is 869475379. The next prime is 869475433. The reversal of 869475384 is 483574968.

869475384 is a `hidden beast` number, since 8 + 69 + 47 + 538 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 869475384.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 68712 + ... + 80375.

Almost surely, 2^869475384 is an apocalyptic number.

It is an amenable number.

869475384 is an abundant number, since it is smaller than the sum of its proper divisors (1574822376).

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

869475384 is a wasteful number, since it uses less digits than its factorization.

869475384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149111 (or 149092 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 869475384 is about 29486.8679923793. The cubic root of 869475384 is about 954.4483474647.

The spelling of 869475384 in words is "eight hundred sixty-nine million, four hundred seventy-five thousand, three hundred eighty-four".