869039446 has 16 divisors (see below), whose sum is σ = 1443291840. Its totient is φ = 389121480.

The previous prime is 869039411. The next prime is 869039453. The reversal of 869039446 is 644930968.

It is a self number, because there is not a number n which added to its sum of digits gives 869039446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293316 + ... + 296263.

It is an arithmetic number, because the mean of its divisors is an integer number (90205740).

Almost surely, 2^869039446 is an apocalyptic number.

869039446 is a deficient number, since it is larger than the sum of its proper divisors (574252394).

869039446 is a wasteful number, since it uses less digits than its factorization.

869039446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589659.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 869039446 is about 29479.4749953251. The cubic root of 869039446 is about 954.2888068694.

The spelling of 869039446 in words is "eight hundred sixty-nine million, thirty-nine thousand, four hundred forty-six".