39893902 has 8 divisors (see below), whose sum is σ = 61300512. Its totient is φ = 19460400.

The previous prime is 39893873. The next prime is 39893921. The reversal of 39893902 is 20939893.

It is a happy number.

39893902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243174 + ... + 243337.

It is an arithmetic number, because the mean of its divisors is an integer number (7662564).

Almost surely, 2^39893902 is an apocalyptic number.

39893902 is a deficient number, since it is larger than the sum of its proper divisors (21406610).

39893902 is a wasteful number, since it uses less digits than its factorization.

39893902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486554.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 39893902 is about 6316.1619675243. The cubic root of 39893902 is about 341.6925465491.

The spelling of 39893902 in words is "thirty-nine million, eight hundred ninety-three thousand, nine hundred two".