304867242 has 24 divisors (see below), whose sum is σ = 663439140. Its totient is φ = 101177280.

The previous prime is 304867181. The next prime is 304867243. The reversal of 304867242 is 242768403.

It can be written as a sum of positive squares in 2 ways, for example, as 233447841 + 71419401 = 15279^2 + 8451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304867197 and 304867206.

It is not an unprimeable number, because it can be changed into a prime (304867243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32859 + ... + 41102.

Almost surely, 2^304867242 is an apocalyptic number.

304867242 is an abundant number, since it is smaller than the sum of its proper divisors (358571898).

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

304867242 is a wasteful number, since it uses less digits than its factorization.

304867242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74198 (or 74195 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 304867242 is about 17460.4479323985. The cubic root of 304867242 is about 673.0338704181.

The spelling of 304867242 in words is "three hundred four million, eight hundred sixty-seven thousand, two hundred forty-two".