6364978 has 8 divisors (see below), whose sum is σ = 9876780. Its totient is φ = 3072720.

The previous prime is 6364961. The next prime is 6365003. The reversal of 6364978 is 8794636.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5745609 + 619369 = 2397^2 + 787^2 .

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

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54813 + ... + 54928.

Almost surely, 2^6364978 is an apocalyptic number.

6364978 is a deficient number, since it is larger than the sum of its proper divisors (3511802).

6364978 is a wasteful number, since it uses less digits than its factorization.

6364978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109772.

The product of its digits is 217728, while the sum is 43.

The square root of 6364978 is about 2522.8908022346. The cubic root of 6364978 is about 185.3242717938.

The spelling of 6364978 in words is "six million, three hundred sixty-four thousand, nine hundred seventy-eight".