304992988 has 12 divisors (see below), whose sum is σ = 565134192. Its totient is φ = 143526080.

The previous prime is 304992983. The next prime is 304993019. The reversal of 304992988 is 889299403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304992983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2242528 + ... + 2242663.

It is an arithmetic number, because the mean of its divisors is an integer number (47094516).

Almost surely, 2^304992988 is an apocalyptic number.

It is an amenable number.

304992988 is a deficient number, since it is larger than the sum of its proper divisors (260141204).

304992988 is a wasteful number, since it uses less digits than its factorization.

304992988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485212 (or 4485210 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The square root of 304992988 is about 17464.0484424431. The cubic root of 304992988 is about 673.1263912188.

The spelling of 304992988 in words is "three hundred four million, nine hundred ninety-two thousand, nine hundred eighty-eight".