6348978 has 24 divisors (see below), whose sum is σ = 14129388. Its totient is φ = 2058912.

The previous prime is 6348977. The next prime is 6348997. The reversal of 6348978 is 8798436.

It is a happy number.

6348978 is a `hidden beast` number, since 634 + 8 + 9 + 7 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6335289 + 13689 = 2517^2 + 117^2 .

It is not an unprimeable number, because it can be changed into a prime (6348971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4101 + ... + 5432.

Almost surely, 2^6348978 is an apocalyptic number.

6348978 is an abundant number, since it is smaller than the sum of its proper divisors (7780410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6348978 is a wasteful number, since it uses less digits than its factorization.

6348978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578 (or 9575 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 6348978 is about 2519.7178413465. The cubic root of 6348978 is about 185.1688548434.

The spelling of 6348978 in words is "six million, three hundred forty-eight thousand, nine hundred seventy-eight".