30796909 has 16 divisors (see below), whose sum is σ = 36356544. Its totient is φ = 25718400.

The previous prime is 30796873. The next prime is 30796933. The reversal of 30796909 is 90969703.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30796909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30796939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40089 + ... + 40849.

It is an arithmetic number, because the mean of its divisors is an integer number (2272284).

Almost surely, 2^30796909 is an apocalyptic number.

It is an amenable number.

30796909 is a deficient number, since it is larger than the sum of its proper divisors (5559635).

30796909 is a wasteful number, since it uses less digits than its factorization.

30796909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 30796909 is about 5549.4962834477. The cubic root of 30796909 is about 313.4505550792.

The spelling of 30796909 in words is "thirty million, seven hundred ninety-six thousand, nine hundred nine".