304997364 has 108 divisors (see below), whose sum is σ = 921273444. Its totient is φ = 84768768.

The previous prime is 304997353. The next prime is 304997383. The reversal of 304997364 is 463799403.

304997364 is a `hidden beast` number, since 30 + 499 + 73 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 283652964 + 21344400 = 16842^2 + 4620^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62932 + ... + 67604.

Almost surely, 2^304997364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304997364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460636722).

304997364 is an abundant number, since it is smaller than the sum of its proper divisors (616276080).

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

304997364 is a wasteful number, since it uses less digits than its factorization.

304997364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734 (or 4722 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The square root of 304997364 is about 17464.1737279495. The cubic root of 304997364 is about 673.1296105135.

The spelling of 304997364 in words is "three hundred four million, nine hundred ninety-seven thousand, three hundred sixty-four".