420258 has 16 divisors (see below), whose sum is σ = 851040. Its totient is φ = 138336.

The previous prime is 420253. The next prime is 420263. The reversal of 420258 is 852024.

It is an interprime number because it is at equal distance from previous prime (420253) and next prime (420263).

It is not an unprimeable number, because it can be changed into a prime (420253) by changing a digit.

420258 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 7 ways as a sum of consecutive naturals, for example, 141 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (53190).

2⁴²⁰²⁵⁸ is an apocalyptic number.

420258 is an abundant number, since it is smaller than the sum of its proper divisors (430782).

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

420258 is a wasteful number, since it uses less digits than its factorization.

420258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 420258 is about 648.2730906030. The cubic root of 420258 is about 74.9040550911.

The spelling of 420258 in words is "four hundred twenty thousand, two hundred fifty-eight".