420884 has 12 divisors (see below), whose sum is σ = 753984. Its totient is φ = 205464.

The previous prime is 420859. The next prime is 420899. The reversal of 420884 is 488024.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

420884 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 3 ways as a sum of consecutive naturals, for example, 1052 + ... + 1395.

It is an arithmetic number, because the mean of its divisors is an integer number (62832).

2⁴²⁰⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

420884 is a deficient number, since it is larger than the sum of its proper divisors (333100).

420884 is a wasteful number, since it uses less digits than its factorization.

420884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 420884 is about 648.7557321519. The cubic root of 420884 is about 74.9412280308.

The spelling of 420884 in words is "four hundred twenty thousand, eight hundred eighty-four".