304220986 has 8 divisors (see below), whose sum is σ = 456753024. Its totient is φ = 151969980.

The previous prime is 304220953. The next prime is 304221031. The reversal of 304220986 is 689022403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67530 + ... + 71893.

It is an arithmetic number, because the mean of its divisors is an integer number (57094128).

Almost surely, 2^304220986 is an apocalyptic number.

304220986 is a deficient number, since it is larger than the sum of its proper divisors (152532038).

304220986 is a wasteful number, since it uses less digits than its factorization.

304220986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140516.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 304220986 is about 17441.9318310788. The cubic root of 304220986 is about 672.5579694182.

The spelling of 304220986 in words is "three hundred four million, two hundred twenty thousand, nine hundred eighty-six".