30868558 has 16 divisors (see below), whose sum is σ = 52992000. Its totient is φ = 13210776.

The previous prime is 30868547. The next prime is 30868571. The reversal of 30868558 is 85586803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14443 + ... + 16441.

It is an arithmetic number, because the mean of its divisors is an integer number (3312000).

Almost surely, 2^30868558 is an apocalyptic number.

30868558 is a deficient number, since it is larger than the sum of its proper divisors (22123442).

30868558 is a wasteful number, since it uses less digits than its factorization.

30868558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 30868558 is about 5555.9479839178. The cubic root of 30868558 is about 313.6934476889.

The spelling of 30868558 in words is "thirty million, eight hundred sixty-eight thousand, five hundred fifty-eight".