439661372 has 12 divisors (see below), whose sum is σ = 773437056. Its totient is φ = 218679360.

The previous prime is 439661363. The next prime is 439661381. The reversal of 439661372 is 273166934.

It is an interprime number because it is at equal distance from previous prime (439661363) and next prime (439661381).

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, 286973 + ... + 288500.

It is an arithmetic number, because the mean of its divisors is an integer number (64453088).

Almost surely, 2^439661372 is an apocalyptic number.

It is an amenable number.

439661372 is a deficient number, since it is larger than the sum of its proper divisors (333775684).

439661372 is a wasteful number, since it uses less digits than its factorization.

439661372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575668 (or 575666 counting only the distinct ones).

The product of its digits is 163296, while the sum is 41.

The square root of 439661372 is about 20968.1036815445. The cubic root of 439661372 is about 760.3953229566.

The spelling of 439661372 in words is "four hundred thirty-nine million, six hundred sixty-one thousand, three hundred seventy-two".