6413656 has 8 divisors (see below), whose sum is σ = 12025620. Its totient is φ = 3206824.

The previous prime is 6413653. The next prime is 6413663. The reversal of 6413656 is 6563146.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6413656² = 82269966572672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6413651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400846 + ... + 400861.

Almost surely, 2^6413656 is an apocalyptic number.

It is an amenable number.

6413656 is a deficient number, since it is larger than the sum of its proper divisors (5611964).

6413656 is a wasteful number, since it uses less digits than its factorization.

6413656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801713 (or 801709 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 6413656 is about 2532.5196939017. The cubic root of 6413656 is about 185.7955127352.

The spelling of 6413656 in words is "six million, four hundred thirteen thousand, six hundred fifty-six".