3924442 has 16 divisors (see below), whose sum is σ = 6099912. Its totient is φ = 1892160.

The previous prime is 3924413. The next prime is 3924443. The reversal of 3924442 is 2444293.

It can be written as a sum of positive squares in 4 ways, for example, as 3721041 + 203401 = 1929^2 + 451^2 .

It is a super-2 number, since 2×3924442² = 30802490022728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3924442.

It is not an unprimeable number, because it can be changed into a prime (3924443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13248 + ... + 13540.

Almost surely, 2^3924442 is an apocalyptic number.

3924442 is a deficient number, since it is larger than the sum of its proper divisors (2175470).

3924442 is a wasteful number, since it uses less digits than its factorization.

3924442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513.

The product of its digits is 6912, while the sum is 28.

The square root of 3924442 is about 1981.0204441146. The cubic root of 3924442 is about 157.7342378408.

The spelling of 3924442 in words is "three million, nine hundred twenty-four thousand, four hundred forty-two".