3904422 has 16 divisors (see below), whose sum is σ = 7852032. Its totient is φ = 1294280.

The previous prime is 3904409. The next prime is 3904447. The reversal of 3904422 is 2244093.

It is a happy number.

It is a super-2 number, since 2×3904422² = 30489022308168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3904392 and 3904401.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 558 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (490752).

Almost surely, 2^3904422 is an apocalyptic number.

3904422 is an abundant number, since it is smaller than the sum of its proper divisors (3947610).

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

3904422 is a wasteful number, since it uses less digits than its factorization.

3904422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3904422 is about 1975.9610320044. The cubic root of 3904422 is about 157.4655606231.

The spelling of 3904422 in words is "three million, nine hundred four thousand, four hundred twenty-two".