426653 has 4 divisors (see below), whose sum is σ = 440448. Its totient is φ = 412860.

The previous prime is 426641. The next prime is 426661. The reversal of 426653 is 356624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426653 - 2⁴ = 426637 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6851 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (110112).

2⁴²⁶⁶⁵³ is an apocalyptic number.

It is an amenable number.

426653 is a deficient number, since it is larger than the sum of its proper divisors (13795).

426653 is a wasteful number, since it uses less digits than its factorization.

426653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13794.

The product of its digits is 4320, while the sum is 26.

The square root of 426653 is about 653.1868032960. The cubic root of 426653 is about 75.2820785003.

The spelling of 426653 in words is "four hundred twenty-six thousand, six hundred fifty-three".