304990830 has 48 divisors (see below), whose sum is σ = 811427760. Its totient is φ = 79438464.

The previous prime is 304990823. The next prime is 304990837. The reversal of 304990830 is 38099403.

It is an interprime number because it is at equal distance from previous prime (304990823) and next prime (304990837).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304990837) 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, 35535 + ... + 43274.

It is an arithmetic number, because the mean of its divisors is an integer number (16904745).

Almost surely, 2^304990830 is an apocalyptic number.

304990830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

304990830 is an abundant number, since it is smaller than the sum of its proper divisors (506436930).

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

304990830 is a wasteful number, since it uses less digits than its factorization.

304990830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78865 (or 78862 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 304990830 is about 17463.9866582633. The cubic root of 304990830 is about 673.1248036302.

The spelling of 304990830 in words is "three hundred four million, nine hundred ninety thousand, eight hundred thirty".