423798 has 32 divisors (see below), whose sum is σ = 919296. Its totient is φ = 129888.

The previous prime is 423791. The next prime is 423803. The reversal of 423798 is 897324.

423798 is nontrivially palindromic in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5065 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (28728).

423798 is a Friedman number, since it can be written as ((84+9)*7)^2-3, using all its digits and the basic arithmetic operations.

2⁴²³⁷⁹⁸ is an apocalyptic number.

423798 is an abundant number, since it is smaller than the sum of its proper divisors (495498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423798 is a wasteful number, since it uses less digits than its factorization.

423798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148.

The product of its digits is 12096, while the sum is 33.

The square root of 423798 is about 650.9976958485. The cubic root of 423798 is about 75.1137828478.

It can be divided in two parts, 423 and 798, that added together give a palindrome (1221).

The spelling of 423798 in words is "four hundred twenty-three thousand, seven hundred ninety-eight".