30924985 has 16 divisors (see below), whose sum is σ = 45674496. Its totient is φ = 19574208.

The previous prime is 30924983. The next prime is 30925003. The reversal of 30924985 is 58942903.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30924985 - 2¹ = 30924983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30924983) 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, 33529 + ... + 34438.

It is an arithmetic number, because the mean of its divisors is an integer number (2854656).

Almost surely, 2^30924985 is an apocalyptic number.

30924985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30924985 is a deficient number, since it is larger than the sum of its proper divisors (14749511).

30924985 is a wasteful number, since it uses less digits than its factorization.

30924985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67992.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 30924985 is about 5561.0237366873. The cubic root of 30924985 is about 313.8844727612.

The spelling of 30924985 in words is "thirty million, nine hundred twenty-four thousand, nine hundred eighty-five".