4406990 has 32 divisors (see below), whose sum is σ = 9146304. Its totient is φ = 1497600.

The previous prime is 4406957. The next prime is 4406999. The reversal of 4406990 is 996044.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406999) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10790 + ... + 11190.

It is an arithmetic number, because the mean of its divisors is an integer number (285822).

Almost surely, 2^4406990 is an apocalyptic number.

4406990 is an abundant number, since it is smaller than the sum of its proper divisors (4739314).

4406990 is a wasteful number, since it uses less digits than its factorization.

4406990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 4406990 is about 2099.2832110032. The cubic root of 4406990 is about 163.9509817810.

The spelling of 4406990 in words is "four million, four hundred six thousand, nine hundred ninety".