30980408 has 32 divisors (see below), whose sum is σ = 61119360. Its totient is φ = 14701440.

The previous prime is 30980387. The next prime is 30980413. The reversal of 30980408 is 80408903.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 11966 + ... + 14322.

It is an arithmetic number, because the mean of its divisors is an integer number (1909980).

Almost surely, 2^30980408 is an apocalyptic number.

It is an amenable number.

30980408 is a deficient number, since it is larger than the sum of its proper divisors (30138952).

30980408 is a wasteful number, since it uses less digits than its factorization.

30980408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447 (or 2443 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 30980408 is about 5566.0046712161. The cubic root of 30980408 is about 314.0718728736.

It can be divided in two parts, 3098040 and 8, that multiplied together give a triangular number (24784320 = T₇₀₄₀).

The spelling of 30980408 in words is "thirty million, nine hundred eighty thousand, four hundred eight".