439400036 has 12 divisors (see below), whose sum is σ = 769120128. Its totient is φ = 219651432.

The previous prime is 439399991. The next prime is 439400047. The reversal of 439400036 is 630004934.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 439399981 and 439400008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14885 + ... + 33171.

It is an arithmetic number, because the mean of its divisors is an integer number (64093344).

Almost surely, 2^439400036 is an apocalyptic number.

It is an amenable number.

439400036 is a deficient number, since it is larger than the sum of its proper divisors (329720092).

439400036 is a wasteful number, since it uses less digits than its factorization.

439400036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24298 (or 24296 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 439400036 is about 20961.8710042782. The cubic root of 439400036 is about 760.2446326976.

The spelling of 439400036 in words is "four hundred thirty-nine million, four hundred thousand, thirty-six".