6456994 has 8 divisors (see below), whose sum is σ = 9739548. Its totient is φ = 3210480.

The previous prime is 6456977. The next prime is 6457007. The reversal of 6456994 is 4996546.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6325225 + 131769 = 2515^2 + 363^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6456994.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8557 + ... + 9280.

Almost surely, 2^6456994 is an apocalyptic number.

6456994 is a deficient number, since it is larger than the sum of its proper divisors (3282554).

6456994 is a wasteful number, since it uses less digits than its factorization.

6456994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18020.

The product of its digits is 233280, while the sum is 43.

The square root of 6456994 is about 2541.0615891788. The cubic root of 6456994 is about 186.2130560479.

The spelling of 6456994 in words is "six million, four hundred fifty-six thousand, nine hundred ninety-four".