304786980 has 72 divisors (see below), whose sum is σ = 973190400. Its totient is φ = 76997952.

The previous prime is 304786973. The next prime is 304786981. The reversal of 304786980 is 89687403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (304786981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41140 + ... + 47979.

Almost surely, 2^304786980 is an apocalyptic number.

304786980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304786980 is an abundant number, since it is smaller than the sum of its proper divisors (668403420).

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

304786980 is a wasteful number, since it uses less digits than its factorization.

304786980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89153 (or 89148 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 304786980 is about 17458.1493864613. The cubic root of 304786980 is about 672.9748023186.

The spelling of 304786980 in words is "three hundred four million, seven hundred eighty-six thousand, nine hundred eighty".