426819 has 8 divisors (see below), whose sum is σ = 602640. Its totient is φ = 267776.

The previous prime is 426799. The next prime is 426841. The reversal of 426819 is 918624.

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

It is a cyclic number.

It is not a de Polignac number, because 426819 - 2⁵ = 426787 is a prime.

It is a super-2 number, since 2×426819² = 364348917522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4134 + ... + 4235.

It is an arithmetic number, because the mean of its divisors is an integer number (75330).

2⁴²⁶⁸¹⁹ is an apocalyptic number.

426819 is a deficient number, since it is larger than the sum of its proper divisors (175821).

426819 is a wasteful number, since it uses less digits than its factorization.

426819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8389.

The product of its digits is 3456, while the sum is 30.

The square root of 426819 is about 653.3138602540. The cubic root of 426819 is about 75.2918406916.

The spelling of 426819 in words is "four hundred twenty-six thousand, eight hundred nineteen".