439699404 has 24 divisors (see below), whose sum is σ = 1033800768. Its totient is φ = 145447120.

The previous prime is 439699391. The next prime is 439699409. The reversal of 439699404 is 404996934.

It is not an unprimeable number, because it can be changed into a prime (439699409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138282 + ... + 141425.

It is an arithmetic number, because the mean of its divisors is an integer number (43075032).

Almost surely, 2^439699404 is an apocalyptic number.

It is an amenable number.

439699404 is an abundant number, since it is smaller than the sum of its proper divisors (594101364).

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

439699404 is a wasteful number, since it uses less digits than its factorization.

439699404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279845 (or 279843 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 439699404 is about 20969.0105632097. The cubic root of 439699404 is about 760.4172478007.

The spelling of 439699404 in words is "four hundred thirty-nine million, six hundred ninety-nine thousand, four hundred four".