4438642 has 16 divisors (see below), whose sum is σ = 7402752. Its totient is φ = 1982160.

The previous prime is 4438639. The next prime is 4438667. The reversal of 4438642 is 2468344.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1948 + ... + 3559.

It is an arithmetic number, because the mean of its divisors is an integer number (462672).

Almost surely, 2^4438642 is an apocalyptic number.

4438642 is a deficient number, since it is larger than the sum of its proper divisors (2964110).

4438642 is a wasteful number, since it uses less digits than its factorization.

4438642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553.

The product of its digits is 18432, while the sum is 31.

The square root of 4438642 is about 2106.8084867875. The cubic root of 4438642 is about 164.3425568359.

The spelling of 4438642 in words is "four million, four hundred thirty-eight thousand, six hundred forty-two".