39449912 has 16 divisors (see below), whose sum is σ = 74424840. Its totient is φ = 19603296.

The previous prime is 39449903. The next prime is 39449923. The reversal of 39449912 is 21994493.

It is a self number, because there is not a number n which added to its sum of digits gives 39449912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13823 + ... + 16430.

Almost surely, 2^39449912 is an apocalyptic number.

It is an amenable number.

39449912 is a deficient number, since it is larger than the sum of its proper divisors (34974928).

39449912 is a wasteful number, since it uses less digits than its factorization.

39449912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30422 (or 30418 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 39449912 is about 6280.9164936337. The cubic root of 39449912 is about 340.4202185999.

The spelling of 39449912 in words is "thirty-nine million, four hundred forty-nine thousand, nine hundred twelve".