39938722 has 8 divisors (see below), whose sum is σ = 63061200. Its totient is φ = 18918324.

The previous prime is 39938711. The next prime is 39938737. The reversal of 39938722 is 22783993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 525472 + ... + 525547.

It is an arithmetic number, because the mean of its divisors is an integer number (7882650).

Almost surely, 2^39938722 is an apocalyptic number.

39938722 is a deficient number, since it is larger than the sum of its proper divisors (23122478).

39938722 is a wasteful number, since it uses less digits than its factorization.

39938722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051040.

The product of its digits is 163296, while the sum is 43.

The square root of 39938722 is about 6319.7090122885. The cubic root of 39938722 is about 341.8204602361.

The spelling of 39938722 in words is "thirty-nine million, nine hundred thirty-eight thousand, seven hundred twenty-two".