420598 has 4 divisors (see below), whose sum is σ = 630900. Its totient is φ = 210298.

The previous prime is 420593. The next prime is 420599. The reversal of 420598 is 895024.

It is a happy number.

420598 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105148 + ... + 105151.

It is an arithmetic number, because the mean of its divisors is an integer number (157725).

2⁴²⁰⁵⁹⁸ is an apocalyptic number.

420598 is a deficient number, since it is larger than the sum of its proper divisors (210302).

420598 is a wasteful number, since it uses less digits than its factorization.

420598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210301.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 420598 is about 648.5352727493. The cubic root of 420598 is about 74.9242494431.

It can be divided in two parts, 4 and 20598, that added together give a palindrome (20602).

The spelling of 420598 in words is "four hundred twenty thousand, five hundred ninety-eight".