456947 has 4 divisors (see below), whose sum is σ = 458496. Its totient is φ = 455400.

The previous prime is 456923. The next prime is 456949. The reversal of 456947 is 749654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456947 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 456947.

It is not an unprimeable number, because it can be changed into a prime (456949) 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 3 ways as a sum of consecutive naturals, for example, 179 + ... + 972.

It is an arithmetic number, because the mean of its divisors is an integer number (114624).

2⁴⁵⁶⁹⁴⁷ is an apocalyptic number.

456947 is a deficient number, since it is larger than the sum of its proper divisors (1549).

456947 is a wasteful number, since it uses less digits than its factorization.

456947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548.

The product of its digits is 30240, while the sum is 35.

The square root of 456947 is about 675.9785499555. The cubic root of 456947 is about 77.0232683938.

The spelling of 456947 in words is "four hundred fifty-six thousand, nine hundred forty-seven".