30849930 has 32 divisors (see below), whose sum is σ = 82267200. Its totient is φ = 8226576.

The previous prime is 30849913. The next prime is 30849941. The reversal of 30849930 is 3994803.

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, 56860 + ... + 57399.

It is an arithmetic number, because the mean of its divisors is an integer number (2570850).

Almost surely, 2^30849930 is an apocalyptic number.

30849930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30849930 is an abundant number, since it is smaller than the sum of its proper divisors (51417270).

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

30849930 is a wasteful number, since it uses less digits than its factorization.

30849930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114275 (or 114269 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 30849930 is about 5554.2713293465. The cubic root of 30849930 is about 313.6303343058.

The spelling of 30849930 in words is "thirty million, eight hundred forty-nine thousand, nine hundred thirty".