30918146 has 8 divisors (see below), whose sum is σ = 53002560. Its totient is φ = 13250628.

The previous prime is 30918127. The next prime is 30918163. The reversal of 30918146 is 64181903.

It is a happy number.

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, 1104206 + ... + 1104233.

It is an arithmetic number, because the mean of its divisors is an integer number (6625320).

Almost surely, 2^30918146 is an apocalyptic number.

30918146 is a deficient number, since it is larger than the sum of its proper divisors (22084414).

30918146 is a wasteful number, since it uses less digits than its factorization.

30918146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208448.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 30918146 is about 5560.4087979212. The cubic root of 30918146 is about 313.8613327428.

The spelling of 30918146 in words is "thirty million, nine hundred eighteen thousand, one hundred forty-six".