30994828 has 6 divisors (see below), whose sum is σ = 54240956. Its totient is φ = 15497412.

The previous prime is 30994801. The next prime is 30994841. The reversal of 30994828 is 82849903.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3874350 + ... + 3874357.

Almost surely, 2^30994828 is an apocalyptic number.

It is an amenable number.

30994828 is a deficient number, since it is larger than the sum of its proper divisors (23246128).

30994828 is a wasteful number, since it uses less digits than its factorization.

30994828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748711 (or 7748709 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 30994828 is about 5567.2998841449. The cubic root of 30994828 is about 314.1205941377.

The spelling of 30994828 in words is "thirty million, nine hundred ninety-four thousand, eight hundred twenty-eight".