30065886 has 12 divisors (see below), whose sum is σ = 65142792. Its totient is φ = 10021956.

The previous prime is 30065881. The next prime is 30065921. The reversal of 30065886 is 68856003.

It is a self number, because there is not a number n which added to its sum of digits gives 30065886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30065881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 835146 + ... + 835181.

It is an arithmetic number, because the mean of its divisors is an integer number (5428566).

Almost surely, 2^30065886 is an apocalyptic number.

30065886 is an abundant number, since it is smaller than the sum of its proper divisors (35076906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30065886 is a wasteful number, since it uses less digits than its factorization.

30065886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670335 (or 1670332 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 30065886 is about 5483.2368177929. The cubic root of 30065886 is about 310.9505544093.

The spelling of 30065886 in words is "thirty million, sixty-five thousand, eight hundred eighty-six".