30686882 has 4 divisors (see below), whose sum is σ = 46030326. Its totient is φ = 15343440.

The previous prime is 30686867. The next prime is 30686897. The reversal of 30686882 is 28868603.

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

It is an interprime number because it is at equal distance from previous prime (30686867) and next prime (30686897).

It can be written as a sum of positive squares in only one way, i.e., 27867841 + 2819041 = 5279^2 + 1679^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671719 + ... + 7671722.

Almost surely, 2^30686882 is an apocalyptic number.

30686882 is a deficient number, since it is larger than the sum of its proper divisors (15343444).

30686882 is a wasteful number, since it uses less digits than its factorization.

30686882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15343443.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 30686882 is about 5539.5741713601. The cubic root of 30686882 is about 313.0768251776.

The spelling of 30686882 in words is "thirty million, six hundred eighty-six thousand, eight hundred eighty-two".