426947 has 4 divisors (see below), whose sum is σ = 436920. Its totient is φ = 416976.

The previous prime is 426941. The next prime is 426971. The reversal of 426947 is 749624.

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

It is a cyclic number.

It is not a de Polignac number, because 426947 - 2⁴ = 426931 is a prime.

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 426947.

It is not an unprimeable number, because it can be changed into a prime (426941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4922 + ... + 5007.

It is an arithmetic number, because the mean of its divisors is an integer number (109230).

2⁴²⁶⁹⁴⁷ is an apocalyptic number.

426947 is a deficient number, since it is larger than the sum of its proper divisors (9973).

426947 is an equidigital number, since it uses as much as digits as its factorization.

426947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9972.

The product of its digits is 12096, while the sum is 32.

The square root of 426947 is about 653.4118150141. The cubic root of 426947 is about 75.2993664362.

The spelling of 426947 in words is "four hundred twenty-six thousand, nine hundred forty-seven".