39909482 has 16 divisors (see below), whose sum is σ = 61689600. Its totient is φ = 19352160.

The previous prime is 39909479. The next prime is 39909487. The reversal of 39909482 is 28490993.

It is not an unprimeable number, because it can be changed into a prime (39909487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13319 + ... + 16037.

It is an arithmetic number, because the mean of its divisors is an integer number (3855600).

Almost surely, 2^39909482 is an apocalyptic number.

39909482 is a deficient number, since it is larger than the sum of its proper divisors (21780118).

39909482 is a wasteful number, since it uses less digits than its factorization.

39909482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 39909482 is about 6317.3951910578. The cubic root of 39909482 is about 341.7370218260.

The spelling of 39909482 in words is "thirty-nine million, nine hundred nine thousand, four hundred eighty-two".