304660380 has 24 divisors (see below), whose sum is σ = 853049232. Its totient is φ = 81242752.

The previous prime is 304660373. The next prime is 304660397. The reversal of 304660380 is 83066403.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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, 2538777 + ... + 2538896.

It is an arithmetic number, because the mean of its divisors is an integer number (35543718).

Almost surely, 2^304660380 is an apocalyptic number.

304660380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304660380 is an abundant number, since it is smaller than the sum of its proper divisors (548388852).

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

304660380 is a wasteful number, since it uses less digits than its factorization.

304660380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077685 (or 5077683 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 304660380 is about 17454.5231960085. The cubic root of 304660380 is about 672.8816111013.

The spelling of 304660380 in words is "three hundred four million, six hundred sixty thousand, three hundred eighty".