656463 has 8 divisors (see below), whose sum is σ = 882688. Its totient is φ = 433944.

The previous prime is 656459. The next prime is 656471. The reversal of 656463 is 364656.

656463 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 656463 - 2² = 656459 is a prime.

It is a Duffinian number.

656463 is strictly pandigital in base 7.

It is a self number, because there is not a number n which added to its sum of digits gives 656463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 481 + ... + 1242.

It is an arithmetic number, because the mean of its divisors is an integer number (110336).

2⁶⁵⁶⁴⁶³ is an apocalyptic number.

656463 is a deficient number, since it is larger than the sum of its proper divisors (226225).

656463 is a wasteful number, since it uses less digits than its factorization.

656463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853.

The product of its digits is 12960, while the sum is 30.

The square root of 656463 is about 810.2240430893. The cubic root of 656463 is about 86.9100669296.

The spelling of 656463 in words is "six hundred fifty-six thousand, four hundred sixty-three".