426710997 has 20 divisors (see below), whose sum is σ = 640479136. Its totient is φ = 283114440.

The previous prime is 426710981. The next prime is 426711011. The reversal of 426710997 is 799017624.

It is not a de Polignac number, because 426710997 - 2⁴ = 426710981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426710197) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4608 + ... + 29574.

Almost surely, 2^426710997 is an apocalyptic number.

It is an amenable number.

426710997 is a deficient number, since it is larger than the sum of its proper divisors (213768139).

426710997 is a wasteful number, since it uses less digits than its factorization.

426710997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25190 (or 25181 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 426710997 is about 20656.9842184187. The cubic root of 426710997 is about 752.8548949774.

The spelling of 426710997 in words is "four hundred twenty-six million, seven hundred ten thousand, nine hundred ninety-seven".