6245978 has 4 divisors (see below), whose sum is σ = 9368970. Its totient is φ = 3122988.

The previous prime is 6245969. The next prime is 6245989. The reversal of 6245978 is 8795426.

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., 5968249 + 277729 = 2443^2 + 527^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561493 + ... + 1561496.

Almost surely, 2^6245978 is an apocalyptic number.

6245978 is a deficient number, since it is larger than the sum of its proper divisors (3122992).

6245978 is a wasteful number, since it uses less digits than its factorization.

6245978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3122991.

The product of its digits is 120960, while the sum is 41.

The square root of 6245978 is about 2499.1954705465. The cubic root of 6245978 is about 184.1620539875.

The spelling of 6245978 in words is "six million, two hundred forty-five thousand, nine hundred seventy-eight".