426398 has 24 divisors (see below), whose sum is σ = 786600. Its totient is φ = 172368.

The previous prime is 426389. The next prime is 426401. The reversal of 426398 is 893624.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1748 + ... + 1976.

It is an arithmetic number, because the mean of its divisors is an integer number (32775).

2⁴²⁶³⁹⁸ is an apocalyptic number.

426398 is a deficient number, since it is larger than the sum of its proper divisors (360202).

426398 is a wasteful number, since it uses less digits than its factorization.

426398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 257 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 426398 is about 652.9915772811. The cubic root of 426398 is about 75.2670774293.

The spelling of 426398 in words is "four hundred twenty-six thousand, three hundred ninety-eight".