4028522 has 8 divisors (see below), whose sum is σ = 6051936. Its totient is φ = 2011212.

The previous prime is 4028491. The next prime is 4028533. The reversal of 4028522 is 2258204.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893 + ... + 2975.

It is an arithmetic number, because the mean of its divisors is an integer number (756492).

Almost surely, 2^4028522 is an apocalyptic number.

4028522 is a deficient number, since it is larger than the sum of its proper divisors (2023414).

4028522 is a wasteful number, since it uses less digits than its factorization.

4028522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 4028522 is about 2007.1178341094. The cubic root of 4028522 is about 159.1165107296.

The spelling of 4028522 in words is "four million, twenty-eight thousand, five hundred twenty-two".