30876930 has 192 divisors, whose sum is σ = 102954240. Its totient is φ = 6428160.

The previous prime is 30876929. The next prime is 30876931. The reversal of 30876930 is 3967803.

It is an interprime number because it is at equal distance from previous prime (30876929) and next prime (30876931).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30876931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 996015 + ... + 996045.

It is an arithmetic number, because the mean of its divisors is an integer number (536220).

Almost surely, 2^30876930 is an apocalyptic number.

30876930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30876930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51477120).

30876930 is an abundant number, since it is smaller than the sum of its proper divisors (72077310).

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

30876930 is a wasteful number, since it uses less digits than its factorization.

30876930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 65 counting only the distinct ones).

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

The square root of 30876930 is about 5556.7013596198. The cubic root of 30876930 is about 313.7218045275.

The spelling of 30876930 in words is "thirty million, eight hundred seventy-six thousand, nine hundred thirty".