30900617 has 12 divisors (see below), whose sum is σ = 34760880. Its totient is φ = 27433560.

The previous prime is 30900607. The next prime is 30900671. The reversal of 30900617 is 71600903.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-30900617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30900607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2234 + ... + 8172.

It is an arithmetic number, because the mean of its divisors is an integer number (2896740).

Almost surely, 2^30900617 is an apocalyptic number.

It is an amenable number.

30900617 is a deficient number, since it is larger than the sum of its proper divisors (3860263).

30900617 is a wasteful number, since it uses less digits than its factorization.

30900617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004 (or 5993 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 30900617 is about 5558.8323414185. The cubic root of 30900617 is about 313.8020071140.

The spelling of 30900617 in words is "thirty million, nine hundred thousand, six hundred seventeen".