30974899 has 4 divisors (see below), whose sum is σ = 31197880. Its totient is φ = 30751920.

The previous prime is 30974893. The next prime is 30974917. The reversal of 30974899 is 99847903.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30974899 - 2³ = 30974891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30974891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111282 + ... + 111559.

It is an arithmetic number, because the mean of its divisors is an integer number (7799470).

Almost surely, 2^30974899 is an apocalyptic number.

30974899 is a deficient number, since it is larger than the sum of its proper divisors (222981).

30974899 is a wasteful number, since it uses less digits than its factorization.

30974899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222980.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 30974899 is about 5565.5097700031. The cubic root of 30974899 is about 314.0532554674.

The spelling of 30974899 in words is "thirty million, nine hundred seventy-four thousand, eight hundred ninety-nine".