39984956 has 12 divisors (see below), whose sum is σ = 76335000. Its totient is φ = 18174960.

The previous prime is 39984943. The next prime is 39984961. The reversal of 39984956 is 65948993.

39984956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 39984898 and 39984907.

It is a congruent number.

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, 454331 + ... + 454418.

It is an arithmetic number, because the mean of its divisors is an integer number (6361250).

Almost surely, 2^39984956 is an apocalyptic number.

It is an amenable number.

39984956 is a deficient number, since it is larger than the sum of its proper divisors (36350044).

39984956 is a wasteful number, since it uses less digits than its factorization.

39984956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908764 (or 908762 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 53.

The square root of 39984956 is about 6323.3658758607. The cubic root of 39984956 is about 341.9523091622.

The spelling of 39984956 in words is "thirty-nine million, nine hundred eighty-four thousand, nine hundred fifty-six".