426465 has 36 divisors (see below), whose sum is σ = 826644. Its totient is φ = 209952.

The previous prime is 426427. The next prime is 426469. The reversal of 426465 is 564624.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104976 + 321489 = 324^2 + 567^2 .

It is not a de Polignac number, because 426465 - 2⁶ = 426401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

426465 is a Rhonda number in base 16.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426469) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32799 + ... + 32811.

426465 is a Friedman number, since it can be written as 65*(2/6)^(-4-4), using all its digits and the basic arithmetic operations.

2⁴²⁶⁴⁶⁵ is an apocalyptic number.

426465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

426465 is a deficient number, since it is larger than the sum of its proper divisors (400179).

426465 is an frugal number, since it uses more digits than its factorization.

426465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42 (or 21 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 426465 is about 653.0428776122. The cubic root of 426465 is about 75.2710194663.

The spelling of 426465 in words is "four hundred twenty-six thousand, four hundred sixty-five".