304869442 has 8 divisors (see below), whose sum is σ = 458297532. Its totient is φ = 152103600.

The previous prime is 304869437. The next prime is 304869443. The reversal of 304869442 is 244968403.

It can be written as a sum of positive squares in 2 ways, for example, as 279859441 + 25010001 = 16729^2 + 5001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 304869395 and 304869404.

It is not an unprimeable number, because it can be changed into a prime (304869443) 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, 164409 + ... + 166252.

Almost surely, 2^304869442 is an apocalyptic number.

304869442 is a deficient number, since it is larger than the sum of its proper divisors (153428090).

304869442 is a wasteful number, since it uses less digits than its factorization.

304869442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331124.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 304869442 is about 17460.5109318141. The cubic root of 304869442 is about 673.0354893424.

The spelling of 304869442 in words is "three hundred four million, eight hundred sixty-nine thousand, four hundred forty-two".