30981246 has 16 divisors (see below), whose sum is σ = 62043408. Its totient is φ = 10313600.

The previous prime is 30981239. The next prime is 30981257. The reversal of 30981246 is 64218903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (3877713).

Almost surely, 2^30981246 is an apocalyptic number.

30981246 is an abundant number, since it is smaller than the sum of its proper divisors (31062162).

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

30981246 is a wasteful number, since it uses less digits than its factorization.

30981246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 30981246 is about 5566.0799491204. The cubic root of 30981246 is about 314.0747046617.

The spelling of 30981246 in words is "thirty million, nine hundred eighty-one thousand, two hundred forty-six".