304373940 has 48 divisors (see below), whose sum is σ = 917806848. Its totient is φ = 74922624.

The previous prime is 304373929. The next prime is 304373959. The reversal of 304373940 is 49373403.

It is a super-2 number, since 2×304373940² = 185286990702247200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194332 + ... + 195891.

It is an arithmetic number, because the mean of its divisors is an integer number (19120976).

Almost surely, 2^304373940 is an apocalyptic number.

304373940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304373940 is an abundant number, since it is smaller than the sum of its proper divisors (613432908).

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

304373940 is a wasteful number, since it uses less digits than its factorization.

304373940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390248 (or 390246 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 304373940 is about 17446.3159434879. The cubic root of 304373940 is about 672.6706651241.

The spelling of 304373940 in words is "three hundred four million, three hundred seventy-three thousand, nine hundred forty".