30930876 has 24 divisors (see below), whose sum is σ = 80191440. Its totient is φ = 10310256.

The previous prime is 30930869. The next prime is 30930877. The reversal of 30930876 is 67803903.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 30930876.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30930877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143091 + ... + 143306.

It is an arithmetic number, because the mean of its divisors is an integer number (3341310).

Almost surely, 2^30930876 is an apocalyptic number.

30930876 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30930876 is an abundant number, since it is smaller than the sum of its proper divisors (49260564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30930876 is a wasteful number, since it uses less digits than its factorization.

30930876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286410 (or 286402 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30930876 is about 5561.5533801268. The cubic root of 30930876 is about 313.9044024505.

The spelling of 30930876 in words is "thirty million, nine hundred thirty thousand, eight hundred seventy-six".