421926 has 8 divisors (see below), whose sum is σ = 843864. Its totient is φ = 140640.

The previous prime is 421913. The next prime is 421943. The reversal of 421926 is 629124.

421926 is nontrivially palindromic in base 5.

It is a sphenic number, since it is the product of 3 distinct primes.

421926 is an admirable number.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 421896 and 421905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35155 + ... + 35166.

It is an arithmetic number, because the mean of its divisors is an integer number (105483).

2⁴²¹⁹²⁶ is an apocalyptic number.

421926 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421926 is a wasteful number, since it uses less digits than its factorization.

421926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70326.

The product of its digits is 864, while the sum is 24.

The square root of 421926 is about 649.5583114702. The cubic root of 421926 is about 75.0030221004.

The spelling of 421926 in words is "four hundred twenty-one thousand, nine hundred twenty-six".