304078 has 4 divisors (see below), whose sum is σ = 456120. Its totient is φ = 152038.

The previous prime is 304069. The next prime is 304081. The reversal of 304078 is 870403.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76018 + ... + 76021.

It is an arithmetic number, because the mean of its divisors is an integer number (114030).

2³⁰⁴⁰⁷⁸ is an apocalyptic number.

304078 is a deficient number, since it is larger than the sum of its proper divisors (152042).

304078 is a wasteful number, since it uses less digits than its factorization.

304078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152041.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 304078 is about 551.4326794814. The cubic root of 304078 is about 67.2452583916.

The spelling of 304078 in words is "three hundred four thousand, seventy-eight".