30706984 has 64 divisors (see below), whose sum is σ = 72806400. Its totient is φ = 11793600.

The previous prime is 30706979. The next prime is 30707011. The reversal of 30706984 is 48960703.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 48349 + ... + 48979.

It is an arithmetic number, because the mean of its divisors is an integer number (1137600).

Almost surely, 2^30706984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30706984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36403200).

30706984 is an abundant number, since it is smaller than the sum of its proper divisors (42099416).

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

30706984 is a wasteful number, since it uses less digits than its factorization.

30706984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734 (or 730 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 30706984 is about 5541.3882737090. The cubic root of 30706984 is about 313.1451724779.

The spelling of 30706984 in words is "thirty million, seven hundred six thousand, nine hundred eighty-four".