426455 has 12 divisors (see below), whose sum is σ = 546840. Its totient is φ = 318384.

The previous prime is 426427. The next prime is 426469. The reversal of 426455 is 554624.

It is a de Polignac number, because none of the positive numbers 2^k-426455 is a prime.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6332 + ... + 6398.

It is an arithmetic number, because the mean of its divisors is an integer number (45570).

2⁴²⁶⁴⁵⁵ is an apocalyptic number.

426455 is a deficient number, since it is larger than the sum of its proper divisors (120385).

426455 is an equidigital number, since it uses as much as digits as its factorization.

426455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 91 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 426455 is about 653.0352211022. The cubic root of 426455 is about 75.2704311288.

The spelling of 426455 in words is "four hundred twenty-six thousand, four hundred fifty-five".