30980356 has 45 divisors (see below), whose sum is σ = 62342455. Its totient is φ = 13469720.

The previous prime is 30980351. The next prime is 30980357. The reversal of 30980356 is 65308903.

The square root of 30980356 is 5566.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30980351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1346961 + ... + 1346983.

Almost surely, 2^30980356 is an apocalyptic number.

30980356 is the 5566-th square number.

It is an amenable number.

30980356 is an abundant number, since it is smaller than the sum of its proper divisors (31362099).

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

30980356 is an equidigital number, since it uses as much as digits as its factorization.

30980356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The cubic root of 30980356 is about 314.0716971523.

The spelling of 30980356 in words is "thirty million, nine hundred eighty thousand, three hundred fifty-six".