304400487 has 16 divisors (see below), whose sum is σ = 430133760. Its totient is φ = 190822272.

The previous prime is 304400471. The next prime is 304400489. The reversal of 304400487 is 784004403.

It is not a de Polignac number, because 304400487 - 2⁴ = 304400471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304400489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75714 + ... + 79632.

It is an arithmetic number, because the mean of its divisors is an integer number (26883360).

Almost surely, 2^304400487 is an apocalyptic number.

304400487 is a deficient number, since it is larger than the sum of its proper divisors (125733273).

304400487 is a wasteful number, since it uses less digits than its factorization.

304400487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 304400487 is about 17447.0767465498. The cubic root of 304400487 is about 672.6902209694.

The spelling of 304400487 in words is "three hundred four million, four hundred thousand, four hundred eighty-seven".