426392 has 8 divisors (see below), whose sum is σ = 799500. Its totient is φ = 213192.

The previous prime is 426389. The next prime is 426401. The reversal of 426392 is 293624.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26642 + ... + 26657.

2⁴²⁶³⁹² is an apocalyptic number.

It is an amenable number.

426392 is a deficient number, since it is larger than the sum of its proper divisors (373108).

426392 is a wasteful number, since it uses less digits than its factorization.

426392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53305 (or 53301 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 426392 is about 652.9869830249. The cubic root of 426392 is about 75.2667243909.

It can be divided in two parts, 426 and 392, that added together give a palindrome (818).

The spelling of 426392 in words is "four hundred twenty-six thousand, three hundred ninety-two".