30996400 has 30 divisors (see below), whose sum is σ = 74469812. Its totient is φ = 12398400.

The previous prime is 30996397. The next prime is 30996409. The reversal of 30996400 is 469903.

It is not an unprimeable number, because it can be changed into a prime (30996409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38346 + ... + 39145.

Almost surely, 2^30996400 is an apocalyptic number.

It is an amenable number.

30996400 is an abundant number, since it is smaller than the sum of its proper divisors (43473412).

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

30996400 is a wasteful number, since it uses less digits than its factorization.

30996400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77509 (or 77498 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 30996400 is about 5567.4410639000. The cubic root of 30996400 is about 314.1259045852.

The spelling of 30996400 in words is "thirty million, nine hundred ninety-six thousand, four hundred".