30304986 has 16 divisors (see below), whose sum is σ = 62088768. Its totient is φ = 9855200.

The previous prime is 30304979. The next prime is 30304991. The reversal of 30304986 is 68940303.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61350 + ... + 61841.

It is an arithmetic number, because the mean of its divisors is an integer number (3880548).

Almost surely, 2^30304986 is an apocalyptic number.

30304986 is an abundant number, since it is smaller than the sum of its proper divisors (31783782).

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

30304986 is a wasteful number, since it uses less digits than its factorization.

30304986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123237.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 30304986 is about 5504.9964577645. The cubic root of 30304986 is about 311.7726606546.

The spelling of 30304986 in words is "thirty million, three hundred four thousand, nine hundred eighty-six".