420098 has 16 divisors (see below), whose sum is σ = 740544. Its totient is φ = 174960.

The previous prime is 420097. The next prime is 420103. The reversal of 420098 is 890024.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420097) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 113 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (46284).

2⁴²⁰⁰⁹⁸ is an apocalyptic number.

420098 is a deficient number, since it is larger than the sum of its proper divisors (320446).

420098 is a wasteful number, since it uses less digits than its factorization.

420098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 420098 is about 648.1496740723. The cubic root of 420098 is about 74.8945480977.

It can be divided in two parts, 4 and 20098, that added together give a palindrome (20102).

The spelling of 420098 in words is "four hundred twenty thousand, ninety-eight".