39964952 has 16 divisors (see below), whose sum is σ = 77352000. Its totient is φ = 19337760.

The previous prime is 39964949. The next prime is 39964997. The reversal of 39964952 is 25946993.

It is a junction number, because it is equal to n+sod(n) for n = 39964897 and 39964906.

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, 80327 + ... + 80822.

It is an arithmetic number, because the mean of its divisors is an integer number (4834500).

Almost surely, 2^39964952 is an apocalyptic number.

It is an amenable number.

39964952 is a deficient number, since it is larger than the sum of its proper divisors (37387048).

39964952 is a wasteful number, since it uses less digits than its factorization.

39964952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161186 (or 161182 counting only the distinct ones).

The product of its digits is 524880, while the sum is 47.

The square root of 39964952 is about 6321.7839254438. The cubic root of 39964952 is about 341.8952747530.

The spelling of 39964952 in words is "thirty-nine million, nine hundred sixty-four thousand, nine hundred fifty-two".