426969 has 6 divisors (see below), whose sum is σ = 616746. Its totient is φ = 284640.

The previous prime is 426941. The next prime is 426971. The reversal of 426969 is 969624.

It can be written as a sum of positive squares in only one way, i.e., 345744 + 81225 = 588^2 + 285^2 .

It is not a de Polignac number, because 426969 - 2⁷ = 426841 is a prime.

It is a super-2 number, since 2×426969² = 364605053922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23712 + ... + 23729.

It is an arithmetic number, because the mean of its divisors is an integer number (102791).

2⁴²⁶⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

426969 is a deficient number, since it is larger than the sum of its proper divisors (189777).

426969 is a wasteful number, since it uses less digits than its factorization.

426969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47447 (or 47444 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 426969 is about 653.4286495096. The cubic root of 426969 is about 75.3006597721.

The spelling of 426969 in words is "four hundred twenty-six thousand, nine hundred sixty-nine".