30976085 has 12 divisors (see below), whose sum is σ = 43240428. Its totient is φ = 21240576.

The previous prime is 30976081. The next prime is 30976097. The reversal of 30976085 is 58067903.

It can be written as a sum of positive squares in 2 ways, for example, as 19018321 + 11957764 = 4361^2 + 3458^2 .

It is not a de Polignac number, because 30976085 - 2² = 30976081 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30976081) 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, 62972 + ... + 63461.

It is an arithmetic number, because the mean of its divisors is an integer number (3603369).

Almost surely, 2^30976085 is an apocalyptic number.

30976085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30976085 is a deficient number, since it is larger than the sum of its proper divisors (12264343).

30976085 is a wasteful number, since it uses less digits than its factorization.

30976085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126452 (or 126445 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 30976085 is about 5565.6163180730. The cubic root of 30976085 is about 314.0572636850.

The spelling of 30976085 in words is "thirty million, nine hundred seventy-six thousand, eighty-five".