420162 has 16 divisors (see below), whose sum is σ = 846720. Its totient is φ = 138992.

The previous prime is 420149. The next prime is 420163. The reversal of 420162 is 261024.

It is a super-2 number, since 2×420162² = 353072212488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420163) by changing a digit.

420162 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, 1288 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2⁴²⁰¹⁶² is an apocalyptic number.

420162 is an abundant number, since it is smaller than the sum of its proper divisors (426558).

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

420162 is a wasteful number, since it uses less digits than its factorization.

420162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 420162 is about 648.1990435044. The cubic root of 420162 is about 74.8983511847.

Adding to 420162 its reverse (261024), we get a palindrome (681186).

The spelling of 420162 in words is "four hundred twenty thousand, one hundred sixty-two".