4521942 has 12 divisors (see below), whose sum is σ = 9797580. Its totient is φ = 1507308.

The previous prime is 4521929. The next prime is 4521971. The reversal of 4521942 is 2491254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 125592 + ... + 125627.

It is an arithmetic number, because the mean of its divisors is an integer number (816465).

Almost surely, 2^4521942 is an apocalyptic number.

4521942 is an abundant number, since it is smaller than the sum of its proper divisors (5275638).

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

4521942 is a wasteful number, since it uses less digits than its factorization.

4521942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251227 (or 251224 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4521942 is about 2126.4858334821. The cubic root of 4521942 is about 165.3642641070.

The spelling of 4521942 in words is "four million, five hundred twenty-one thousand, nine hundred forty-two".