420108 has 24 divisors (see below), whose sum is σ = 1056048. Its totient is φ = 129216.

The previous prime is 420103. The next prime is 420149. The reversal of 420108 is 801024.

It is not an unprimeable number, because it can be changed into a prime (420103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (44002).

2⁴²⁰¹⁰⁸ is an apocalyptic number.

It is an amenable number.

420108 is an abundant number, since it is smaller than the sum of its proper divisors (635940).

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

420108 is a wasteful number, since it uses less digits than its factorization.

420108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2711 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 420108 is about 648.1573882939. The cubic root of 420108 is about 74.8951423555.

It can be divided in two parts, 420 and 108, that added together give a triangular number (528 = T₃₂).

The spelling of 420108 in words is "four hundred twenty thousand, one hundred eight".