30399902 has 16 divisors (see below), whose sum is σ = 50692992. Its totient is φ = 13577760.

The previous prime is 30399883. The next prime is 30399913. The reversal of 30399902 is 20999303.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18053 + ... + 19664.

It is an arithmetic number, because the mean of its divisors is an integer number (3168312).

Almost surely, 2^30399902 is an apocalyptic number.

30399902 is a deficient number, since it is larger than the sum of its proper divisors (20293090).

30399902 is a wasteful number, since it uses less digits than its factorization.

30399902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37763.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 30399902 is about 5513.6106137449. The cubic root of 30399902 is about 312.0978147726.

The spelling of 30399902 in words is "thirty million, three hundred ninety-nine thousand, nine hundred two".