30858664 has 32 divisors (see below), whose sum is σ = 59155200. Its totient is φ = 15088320.

The previous prime is 30858661. The next prime is 30858673. The reversal of 30858664 is 46685803.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30858661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99069 + ... + 99379.

It is an arithmetic number, because the mean of its divisors is an integer number (1848600).

Almost surely, 2^30858664 is an apocalyptic number.

It is an amenable number.

30858664 is a deficient number, since it is larger than the sum of its proper divisors (28296536).

30858664 is a wasteful number, since it uses less digits than its factorization.

30858664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 30858664 is about 5555.0575154538. The cubic root of 30858664 is about 313.6599290664.

The spelling of 30858664 in words is "thirty million, eight hundred fifty-eight thousand, six hundred sixty-four".