4013922 has 32 divisors (see below), whose sum is σ = 8910144. Its totient is φ = 1195200.

The previous prime is 4013917. The next prime is 4013929. The reversal of 4013922 is 2293104.

It is a super-2 number, since 2×4013922² = 32223139644168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3528 + ... + 4524.

It is an arithmetic number, because the mean of its divisors is an integer number (278442).

Almost surely, 2^4013922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4013922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4455072).

4013922 is an abundant number, since it is smaller than the sum of its proper divisors (4896222).

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

4013922 is a wasteful number, since it uses less digits than its factorization.

4013922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4013922 is about 2003.4774767888. The cubic root of 4013922 is about 158.9240569256.

The spelling of 4013922 in words is "four million, thirteen thousand, nine hundred twenty-two".