456442 has 8 divisors (see below), whose sum is σ = 782496. Its totient is φ = 195612.

The previous prime is 456439. The next prime is 456451. The reversal of 456442 is 244654.

456442 is digitally balanced in base 3, 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 a congruent number.

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, 16288 + ... + 16315.

It is an arithmetic number, because the mean of its divisors is an integer number (97812).

2⁴⁵⁶⁴⁴² is an apocalyptic number.

456442 is a deficient number, since it is larger than the sum of its proper divisors (326054).

456442 is a wasteful number, since it uses less digits than its factorization.

456442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32612.

The product of its digits is 3840, while the sum is 25.

The square root of 456442 is about 675.6049141325. The cubic root of 456442 is about 76.9948835640.

It can be divided in two parts, 456 and 442, that added together give a palindrome (898).

The spelling of 456442 in words is "four hundred fifty-six thousand, four hundred forty-two".