426961 has 4 divisors (see below), whose sum is σ = 428400. Its totient is φ = 425524.

The previous prime is 426941. The next prime is 426971. The reversal of 426961 is 169624.

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 426961 - 2¹¹ = 424913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426931) 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, 91 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (107100).

2⁴²⁶⁹⁶¹ is an apocalyptic number.

It is an amenable number.

426961 is a deficient number, since it is larger than the sum of its proper divisors (1439).

426961 is a wasteful number, since it uses less digits than its factorization.

426961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its digits is 2592, while the sum is 28.

The square root of 426961 is about 653.4225279251. The cubic root of 426961 is about 75.3001894733.

The spelling of 426961 in words is "four hundred twenty-six thousand, nine hundred sixty-one".