808426 has 4 divisors (see below), whose sum is σ = 1212642. Its totient is φ = 404212.

The previous prime is 808421. The next prime is 808439. The reversal of 808426 is 624808.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 808201 + 225 = 899^2 + 15^2 .

It is a junction number, because it is equal to n+sod(n) for n = 808394 and 808403.

It is not an unprimeable number, because it can be changed into a prime (808421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202105 + ... + 202108.

2⁸⁰⁸⁴²⁶ is an apocalyptic number.

808426 is a deficient number, since it is larger than the sum of its proper divisors (404216).

808426 is a wasteful number, since it uses less digits than its factorization.

808426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404215.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 808426 is about 899.1251303350. The cubic root of 808426 is about 93.1565559770.

The spelling of 808426 in words is "eight hundred eight thousand, four hundred twenty-six".