30909396 has 36 divisors (see below), whose sum is σ = 83898528. Its totient is φ = 8831088.

The previous prime is 30909379. The next prime is 30909407. The reversal of 30909396 is 69390903.

It is a super-2 number, since 2×30909396² = 1910781522169632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25696 + ... + 26871.

Almost surely, 2^30909396 is an apocalyptic number.

It is an amenable number.

30909396 is an abundant number, since it is smaller than the sum of its proper divisors (52989132).

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

30909396 is a wasteful number, since it uses less digits than its factorization.

30909396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52588 (or 52579 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 39.

The square root of 30909396 is about 5559.6219295920. The cubic root of 30909396 is about 313.8317218063.

The spelling of 30909396 in words is "thirty million, nine hundred nine thousand, three hundred ninety-six".