423398 has 8 divisors (see below), whose sum is σ = 655680. Its totient is φ = 204840.

The previous prime is 423389. The next prime is 423403. The reversal of 423398 is 893324.

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

It is a self number, because there is not a number n which added to its sum of digits gives 423398.

It is a congruent number.

It is an unprimeable number.

423398 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3353 + ... + 3476.

It is an arithmetic number, because the mean of its divisors is an integer number (81960).

2⁴²³³⁹⁸ is an apocalyptic number.

423398 is a deficient number, since it is larger than the sum of its proper divisors (232282).

423398 is a wasteful number, since it uses less digits than its factorization.

423398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862.

The product of its digits is 5184, while the sum is 29.

The square root of 423398 is about 650.6904025725. The cubic root of 423398 is about 75.0901434639.

The spelling of 423398 in words is "four hundred twenty-three thousand, three hundred ninety-eight".