42956 has 6 divisors (see below), whose sum is σ = 75180. Its totient is φ = 21476.

The previous prime is 42953. The next prime is 42961. The reversal of 42956 is 65924.

It is not an unprimeable number, because it can be changed into a prime (42953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5366 + ... + 5373.

It is an arithmetic number, because the mean of its divisors is an integer number (12530).

2⁴²⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

42956 is a deficient number, since it is larger than the sum of its proper divisors (32224).

42956 is a wasteful number, since it uses less digits than its factorization.

42956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743 (or 10741 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 42956 is about 207.2582929583. The cubic root of 42956 is about 35.0220269509.

The spelling of 42956 in words is "forty-two thousand, nine hundred fifty-six".