30399908 has 48 divisors (see below), whose sum is σ = 67132800. Its totient is φ = 11700480.

The previous prime is 30399883. The next prime is 30399913. The reversal of 30399908 is 80999303.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26858 + ... + 27966.

It is an arithmetic number, because the mean of its divisors is an integer number (1398600).

Almost surely, 2^30399908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30399908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33566400).

30399908 is an abundant number, since it is smaller than the sum of its proper divisors (36732892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30399908 is a wasteful number, since it uses less digits than its factorization.

30399908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 30399908 is about 5513.6111578529. The cubic root of 30399908 is about 312.0978353054.

The spelling of 30399908 in words is "thirty million, three hundred ninety-nine thousand, nine hundred eight".