6304378 has 4 divisors (see below), whose sum is σ = 9456570. Its totient is φ = 3152188.

The previous prime is 6304357. The next prime is 6304379. The reversal of 6304378 is 8734036.

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., 5257849 + 1046529 = 2293^2 + 1023^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6304379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1576093 + ... + 1576096.

Almost surely, 2^6304378 is an apocalyptic number.

6304378 is a deficient number, since it is larger than the sum of its proper divisors (3152192).

6304378 is a wasteful number, since it uses less digits than its factorization.

6304378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152191.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 6304378 is about 2510.8520466168. The cubic root of 6304378 is about 184.7342471109.

The spelling of 6304378 in words is "six million, three hundred four thousand, three hundred seventy-eight".