4403990 has 8 divisors (see below), whose sum is σ = 7927200. Its totient is φ = 1761592.

The previous prime is 4403989. The next prime is 4404019. The reversal of 4403990 is 993044.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220190 + ... + 220209.

It is an arithmetic number, because the mean of its divisors is an integer number (990900).

Almost surely, 2^4403990 is an apocalyptic number.

4403990 is a deficient number, since it is larger than the sum of its proper divisors (3523210).

4403990 is a wasteful number, since it uses less digits than its factorization.

4403990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440406.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 4403990 is about 2098.5685597569. The cubic root of 4403990 is about 163.9137708506.

The spelling of 4403990 in words is "four million, four hundred three thousand, nine hundred ninety".