304380842 has 4 divisors (see below), whose sum is σ = 456571266. Its totient is φ = 152190420.

The previous prime is 304380803. The next prime is 304380851. The reversal of 304380842 is 248083403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 296149681 + 8231161 = 17209^2 + 2869^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304380799 and 304380808.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76095209 + ... + 76095212.

Almost surely, 2^304380842 is an apocalyptic number.

304380842 is a deficient number, since it is larger than the sum of its proper divisors (152190424).

304380842 is a wasteful number, since it uses less digits than its factorization.

304380842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152190423.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 304380842 is about 17446.5137491706. The cubic root of 304380842 is about 672.6757495912.

The spelling of 304380842 in words is "three hundred four million, three hundred eighty thousand, eight hundred forty-two".