39404122 has 8 divisors (see below), whose sum is σ = 60221556. Its totient is φ = 19330272.

The previous prime is 39404089. The next prime is 39404171. The reversal of 39404122 is 22140493.

It can be written as a sum of positive squares in 2 ways, for example, as 38303721 + 1100401 = 6189^2 + 1049^2 .

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, 185763 + ... + 185974.

Almost surely, 2^39404122 is an apocalyptic number.

39404122 is a deficient number, since it is larger than the sum of its proper divisors (20817434).

39404122 is a wasteful number, since it uses less digits than its factorization.

39404122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371792.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 39404122 is about 6277.2702666047. The cubic root of 39404122 is about 340.2884576241.

The spelling of 39404122 in words is "thirty-nine million, four hundred four thousand, one hundred twenty-two".