426897 has 16 divisors (see below), whose sum is σ = 642880. Its totient is φ = 279936.

The previous prime is 426893. The next prime is 426913. The reversal of 426897 is 798624.

It is not a de Polignac number, because 426897 - 2² = 426893 is a prime.

It is a super-3 number, since 3×426897³ = 233394470784108819, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2538 + ... + 2700.

It is an arithmetic number, because the mean of its divisors is an integer number (40180).

2⁴²⁶⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

426897 is a deficient number, since it is larger than the sum of its proper divisors (215983).

426897 is a wasteful number, since it uses less digits than its factorization.

426897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 263 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 426897 is about 653.3735531838. The cubic root of 426897 is about 75.2964268713.

The spelling of 426897 in words is "four hundred twenty-six thousand, eight hundred ninety-seven".