30974489 has 12 divisors (see below), whose sum is σ = 38333376. Its totient is φ = 24506352.

The previous prime is 30974483. The next prime is 30974539. The reversal of 30974489 is 98447903.

It is not a de Polignac number, because 30974489 - 2²⁰ = 29925913 is a prime.

It is a super-2 number, since 2×30974489² = 1918837937622242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30974483) 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 11 ways as a sum of consecutive naturals, for example, 11909 + ... + 14274.

It is an arithmetic number, because the mean of its divisors is an integer number (3194448).

Almost surely, 2^30974489 is an apocalyptic number.

It is an amenable number.

30974489 is a deficient number, since it is larger than the sum of its proper divisors (7358887).

30974489 is a wasteful number, since it uses less digits than its factorization.

30974489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26216 (or 26203 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 30974489 is about 5565.4729358789. The cubic root of 30974489 is about 314.0518698035.

The spelling of 30974489 in words is "thirty million, nine hundred seventy-four thousand, four hundred eighty-nine".