2456663 has 12 divisors (see below), whose sum is σ = 2745120. Its totient is φ = 2196480.

The previous prime is 2456651. The next prime is 2456693. The reversal of 2456663 is 3666542.

It is not a de Polignac number, because 2456663 - 2⁴ = 2456647 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9431 + ... + 9687.

It is an arithmetic number, because the mean of its divisors is an integer number (228760).

2^2456663 is an apocalyptic number.

2456663 is a deficient number, since it is larger than the sum of its proper divisors (288457).

2456663 is a wasteful number, since it uses less digits than its factorization.

2456663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 347 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 2456663 is about 1567.3745563840. The cubic root of 2456663 is about 134.9320737385.

The spelling of 2456663 in words is "two million, four hundred fifty-six thousand, six hundred sixty-three".