39404996 has 6 divisors (see below), whose sum is σ = 68958750. Its totient is φ = 19702496.

The previous prime is 39404983. The next prime is 39405001. The reversal of 39404996 is 69940493.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30913600 + 8491396 = 5560^2 + 2914^2 .

It is an unprimeable number.

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, 4925621 + ... + 4925628.

It is an arithmetic number, because the mean of its divisors is an integer number (11493125).

Almost surely, 2^39404996 is an apocalyptic number.

It is an amenable number.

39404996 is a deficient number, since it is larger than the sum of its proper divisors (29553754).

39404996 is a wasteful number, since it uses less digits than its factorization.

39404996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851253 (or 9851251 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 39404996 is about 6277.3398824661. The cubic root of 39404996 is about 340.2909735192.

The spelling of 39404996 in words is "thirty-nine million, four hundred four thousand, nine hundred ninety-six".