420886 has 8 divisors (see below), whose sum is σ = 668520. Its totient is φ = 198048.

The previous prime is 420859. The next prime is 420899. The reversal of 420886 is 688024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6156 + ... + 6223.

It is an arithmetic number, because the mean of its divisors is an integer number (83565).

2⁴²⁰⁸⁸⁶ is an apocalyptic number.

420886 is a deficient number, since it is larger than the sum of its proper divisors (247634).

420886 is a wasteful number, since it uses less digits than its factorization.

420886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12398.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 420886 is about 648.7572735623. The cubic root of 420886 is about 74.9413467351.

The spelling of 420886 in words is "four hundred twenty thousand, eight hundred eighty-six".