30864866 has 8 divisors (see below), whose sum is σ = 46399980. Its totient is φ = 15398208.

The previous prime is 30864839. The next prime is 30864881. The reversal of 30864866 is 66846803.

It can be written as a sum of positive squares in 2 ways, for example, as 26306641 + 4558225 = 5129^2 + 2135^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15971 + ... + 17798.

Almost surely, 2^30864866 is an apocalyptic number.

30864866 is a deficient number, since it is larger than the sum of its proper divisors (15535114).

30864866 is a wasteful number, since it uses less digits than its factorization.

30864866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34228.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 30864866 is about 5555.6157174520. The cubic root of 30864866 is about 313.6809408701.

The spelling of 30864866 in words is "thirty million, eight hundred sixty-four thousand, eight hundred sixty-six".