4003922 has 8 divisors (see below), whose sum is σ = 6467916. Its totient is φ = 1847952.

The previous prime is 4003913. The next prime is 4003939. The reversal of 4003922 is 2293004.

It can be written as a sum of positive squares in 2 ways, for example, as 3996001 + 7921 = 1999^2 + 89^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 4003894 and 4003903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76973 + ... + 77024.

Almost surely, 2^4003922 is an apocalyptic number.

4003922 is a deficient number, since it is larger than the sum of its proper divisors (2463994).

4003922 is a wasteful number, since it uses less digits than its factorization.

4003922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154012.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4003922 is about 2000.9802597727. The cubic root of 4003922 is about 158.7919698071.

Adding to 4003922 its reverse (2293004), we get a palindrome (6296926).

The spelling of 4003922 in words is "four million, three thousand, nine hundred twenty-two".