39954764 has 6 divisors (see below), whose sum is σ = 69920844. Its totient is φ = 19977380.

The previous prime is 39954737. The next prime is 39954767. The reversal of 39954764 is 46745993.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (39954767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4994342 + ... + 4994349.

It is an arithmetic number, because the mean of its divisors is an integer number (11653474).

Almost surely, 2^39954764 is an apocalyptic number.

It is an amenable number.

39954764 is a deficient number, since it is larger than the sum of its proper divisors (29966080).

39954764 is a wasteful number, since it uses less digits than its factorization.

39954764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9988695 (or 9988693 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 39954764 is about 6320.9780888720. The cubic root of 39954764 is about 341.8662199194.

The spelling of 39954764 in words is "thirty-nine million, nine hundred fifty-four thousand, seven hundred sixty-four".