30880984 has 8 divisors (see below), whose sum is σ = 57901860. Its totient is φ = 15440488.

The previous prime is 30880981. The next prime is 30880987. The reversal of 30880984 is 48908803.

It is an interprime number because it is at equal distance from previous prime (30880981) and next prime (30880987).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30880981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930054 + ... + 1930069.

Almost surely, 2^30880984 is an apocalyptic number.

It is an amenable number.

30880984 is a deficient number, since it is larger than the sum of its proper divisors (27020876).

30880984 is a wasteful number, since it uses less digits than its factorization.

30880984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860129 (or 3860125 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 30880984 is about 5557.0661324120. The cubic root of 30880984 is about 313.7355340071.

The spelling of 30880984 in words is "thirty million, eight hundred eighty thousand, nine hundred eighty-four".