30930408 has 24 divisors (see below), whose sum is σ = 83770050. Its totient is φ = 10310112.

The previous prime is 30930397. The next prime is 30930433. The reversal of 30930408 is 80403903.

It can be written as a sum of positive squares in only one way, i.e., 23213124 + 7717284 = 4818^2 + 2778^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214723 + ... + 214866.

Almost surely, 2^30930408 is an apocalyptic number.

It is an amenable number.

30930408 is an abundant number, since it is smaller than the sum of its proper divisors (52839642).

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

30930408 is a wasteful number, since it uses less digits than its factorization.

30930408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429601 (or 429594 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 30930408 is about 5561.5113053917. The cubic root of 30930408 is about 313.9028192644.

The spelling of 30930408 in words is "thirty million, nine hundred thirty thousand, four hundred eight".