30894284 has 12 divisors (see below), whose sum is σ = 54601008. Its totient is φ = 15294000.

The previous prime is 30894263. The next prime is 30894289. The reversal of 30894284 is 48249803.

It is not an unprimeable number, because it can be changed into a prime (30894289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37832 + ... + 38639.

It is an arithmetic number, because the mean of its divisors is an integer number (4550084).

Almost surely, 2^30894284 is an apocalyptic number.

It is an amenable number.

30894284 is a deficient number, since it is larger than the sum of its proper divisors (23706724).

30894284 is a wasteful number, since it uses less digits than its factorization.

30894284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76576 (or 76574 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 30894284 is about 5558.2626782116. The cubic root of 30894284 is about 313.7805680180.

The spelling of 30894284 in words is "thirty million, eight hundred ninety-four thousand, two hundred eighty-four".