30244986 has 12 divisors (see below), whose sum is σ = 65530842. Its totient is φ = 10081656.

The previous prime is 30244969. The next prime is 30244997. The reversal of 30244986 is 68944203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 29975625 + 269361 = 5475^2 + 519^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 30244986.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840121 + ... + 840156.

Almost surely, 2^30244986 is an apocalyptic number.

30244986 is an abundant number, since it is smaller than the sum of its proper divisors (35285856).

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

30244986 is a wasteful number, since it uses less digits than its factorization.

30244986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680285 (or 1680282 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 30244986 is about 5499.5441629284. The cubic root of 30244986 is about 311.5667680375.

The spelling of 30244986 in words is "thirty million, two hundred forty-four thousand, nine hundred eighty-six".