39549964 has 12 divisors (see below), whose sum is σ = 69678000. Its totient is φ = 19641968.

The previous prime is 39549947. The next prime is 39549971. The reversal of 39549964 is 46994593.

39549964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 32584 + ... + 33775.

It is an arithmetic number, because the mean of its divisors is an integer number (5806500).

Almost surely, 2^39549964 is an apocalyptic number.

It is an amenable number.

39549964 is a deficient number, since it is larger than the sum of its proper divisors (30128036).

39549964 is a wasteful number, since it uses less digits than its factorization.

39549964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66512 (or 66510 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 49.

The square root of 39549964 is about 6288.8762112161. The cubic root of 39549964 is about 340.7077644071.

The spelling of 39549964 in words is "thirty-nine million, five hundred forty-nine thousand, nine hundred sixty-four".