39924042 has 8 divisors (see below), whose sum is σ = 79848096. Its totient is φ = 13308012.

The previous prime is 39924013. The next prime is 39924043. The reversal of 39924042 is 24042993.

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

39924042 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 39923994 and 39924012.

It is not an unprimeable number, because it can be changed into a prime (39924043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3326998 + ... + 3327009.

It is an arithmetic number, because the mean of its divisors is an integer number (9981012).

Almost surely, 2^39924042 is an apocalyptic number.

39924042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39924042 is a wasteful number, since it uses less digits than its factorization.

39924042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654012.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 39924042 is about 6318.5474596619. The cubic root of 39924042 is about 341.7785749092.

The spelling of 39924042 in words is "thirty-nine million, nine hundred twenty-four thousand, forty-two".