502420938 has 16 divisors (see below), whose sum is σ = 1008472800. Its totient is φ = 166868496.

The previous prime is 502420879. The next prime is 502420981. The reversal of 502420938 is 839024205.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 502420899 and 502420908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149488 + ... + 152811.

It is an arithmetic number, because the mean of its divisors is an integer number (63029550).

Almost surely, 2^502420938 is an apocalyptic number.

502420938 is an abundant number, since it is smaller than the sum of its proper divisors (506051862).

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

502420938 is a wasteful number, since it uses less digits than its factorization.

502420938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302581.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 502420938 is about 22414.7482252199. The cubic root of 502420938 is about 794.9794638894.

The spelling of 502420938 in words is "five hundred two million, four hundred twenty thousand, nine hundred thirty-eight".