39899402 has 8 divisors (see below), whose sum is σ = 60030912. Its totient is φ = 19889100.

The previous prime is 39899401. The next prime is 39899417. The reversal of 39899402 is 20499893.

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

It is not an unprimeable number, because it can be changed into a prime (39899401) 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, 29474 + ... + 30797.

It is an arithmetic number, because the mean of its divisors is an integer number (7503864).

Almost surely, 2^39899402 is an apocalyptic number.

39899402 is a deficient number, since it is larger than the sum of its proper divisors (20131510).

39899402 is a wasteful number, since it uses less digits than its factorization.

39899402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60604.

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

The square root of 39899402 is about 6316.5973435070. The cubic root of 39899402 is about 341.7082483862.

The spelling of 39899402 in words is "thirty-nine million, eight hundred ninety-nine thousand, four hundred two".