39890324 has 6 divisors (see below), whose sum is σ = 69808074. Its totient is φ = 19945160.

The previous prime is 39890321. The next prime is 39890363. The reversal of 39890324 is 42309893.

It can be written as a sum of positive squares in only one way, i.e., 31584400 + 8305924 = 5620^2 + 2882^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39890321) 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, 4986287 + ... + 4986294.

It is an arithmetic number, because the mean of its divisors is an integer number (11634679).

Almost surely, 2^39890324 is an apocalyptic number.

It is an amenable number.

39890324 is a deficient number, since it is larger than the sum of its proper divisors (29917750).

39890324 is a wasteful number, since it uses less digits than its factorization.

39890324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972585 (or 9972583 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 39890324 is about 6315.8787195449. The cubic root of 39890324 is about 341.6823310156.

The spelling of 39890324 in words is "thirty-nine million, eight hundred ninety thousand, three hundred twenty-four".