420938 has 16 divisors (see below), whose sum is σ = 730944. Its totient is φ = 178080.

The previous prime is 420929. The next prime is 420941. The reversal of 420938 is 839024.

420938 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

420938 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, 1358 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (45684).

2⁴²⁰⁹³⁸ is an apocalyptic number.

420938 is a deficient number, since it is larger than the sum of its proper divisors (310006).

420938 is a wasteful number, since it uses less digits than its factorization.

420938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 420938 is about 648.7973489465. The cubic root of 420938 is about 74.9444329149.

The spelling of 420938 in words is "four hundred twenty thousand, nine hundred thirty-eight".