30934505 has 16 divisors (see below), whose sum is σ = 42841344. Its totient is φ = 21003840.

The previous prime is 30934493. The next prime is 30934511. The reversal of 30934505 is 50543903.

It is a de Polignac number, because none of the positive numbers 2^k-30934505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 686 + ... + 7895.

It is an arithmetic number, because the mean of its divisors is an integer number (2677584).

Almost surely, 2^30934505 is an apocalyptic number.

30934505 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30934505 is a deficient number, since it is larger than the sum of its proper divisors (11906839).

30934505 is a wasteful number, since it uses less digits than its factorization.

30934505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 30934505 is about 5561.8796283271. The cubic root of 30934505 is about 313.9166783668.

The spelling of 30934505 in words is "thirty million, nine hundred thirty-four thousand, five hundred five".