4408642 has 8 divisors (see below), whose sum is σ = 7557696. Its totient is φ = 1889412.

The previous prime is 4408639. The next prime is 4408643. The reversal of 4408642 is 2468044.

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

It is a super-2 number, since 2×4408642² = 38872248568328, 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 4408642.

It is not an unprimeable number, because it can be changed into a prime (4408643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157438 + ... + 157465.

It is an arithmetic number, because the mean of its divisors is an integer number (944712).

Almost surely, 2^4408642 is an apocalyptic number.

4408642 is a deficient number, since it is larger than the sum of its proper divisors (3149054).

4408642 is a wasteful number, since it uses less digits than its factorization.

4408642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314912.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 4408642 is about 2099.6766417713. The cubic root of 4408642 is about 163.9714653905.

It can be divided in two parts, 4408 and 642, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 4408642 in words is "four million, four hundred eight thousand, six hundred forty-two".