30807996 has 12 divisors (see below), whose sum is σ = 71885352. Its totient is φ = 10269328.

The previous prime is 30807979. The next prime is 30808003. The reversal of 30807996 is 69970803.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283655 + ... + 1283678.

It is an arithmetic number, because the mean of its divisors is an integer number (5990446).

Almost surely, 2^30807996 is an apocalyptic number.

It is an amenable number.

30807996 is an abundant number, since it is smaller than the sum of its proper divisors (41077356).

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

30807996 is a wasteful number, since it uses less digits than its factorization.

30807996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567340 (or 2567338 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 30807996 is about 5550.4951130507. The cubic root of 30807996 is about 313.4881650154.

The spelling of 30807996 in words is "thirty million, eight hundred seven thousand, nine hundred ninety-six".