39408290 has 16 divisors (see below), whose sum is σ = 71031168. Its totient is φ = 15741936.

The previous prime is 39408289. The next prime is 39408301. The reversal of 39408290 is 9280493.

It is a self number, because there is not a number n which added to its sum of digits gives 39408290.

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 7 ways as a sum of consecutive naturals, for example, 6599 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (4439448).

Almost surely, 2^39408290 is an apocalyptic number.

39408290 is a deficient number, since it is larger than the sum of its proper divisors (31622878).

39408290 is a wasteful number, since it uses less digits than its factorization.

39408290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 39408290 is about 6277.6022492668. The cubic root of 39408290 is about 340.3004552884.

The spelling of 39408290 in words is "thirty-nine million, four hundred eight thousand, two hundred ninety".