39930824 has 32 divisors (see below), whose sum is σ = 80974080. Its totient is φ = 18388224.

The previous prime is 39930823. The next prime is 39930833. The reversal of 39930824 is 42803993.

It is not an unprimeable number, because it can be changed into a prime (39930823) 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 in 7 ways as a sum of consecutive naturals, for example, 3269 + ... + 9515.

It is an arithmetic number, because the mean of its divisors is an integer number (2530440).

Almost surely, 2^39930824 is an apocalyptic number.

39930824 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

39930824 is an abundant number, since it is smaller than the sum of its proper divisors (41043256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39930824 is a wasteful number, since it uses less digits than its factorization.

39930824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6317 (or 6313 counting only the distinct ones).

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

The square root of 39930824 is about 6319.0841108502. The cubic root of 39930824 is about 341.7979267495.

The spelling of 39930824 in words is "thirty-nine million, nine hundred thirty thousand, eight hundred twenty-four".