30894992 has 10 divisors (see below), whose sum is σ = 59859078. Its totient is φ = 15447488.

The previous prime is 30894989. The next prime is 30895013. The reversal of 30894992 is 29949803.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 10137856 = 4556^2 + 3184^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965453 + ... + 965484.

Almost surely, 2^30894992 is an apocalyptic number.

It is an amenable number.

30894992 is a deficient number, since it is larger than the sum of its proper divisors (28964086).

30894992 is a wasteful number, since it uses less digits than its factorization.

30894992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930945 (or 1930939 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 30894992 is about 5558.3263668122. The cubic root of 30894992 is about 313.7829649548.

The spelling of 30894992 in words is "thirty million, eight hundred ninety-four thousand, nine hundred ninety-two".