4383990 has 64 divisors (see below), whose sum is σ = 12600000. Its totient is φ = 1078272.

The previous prime is 4383949. The next prime is 4383991. The reversal of 4383990 is 993834.

4383990 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4383991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2886 + ... + 4134.

It is an arithmetic number, because the mean of its divisors is an integer number (196875).

Almost surely, 2^4383990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4383990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6300000).

4383990 is an abundant number, since it is smaller than the sum of its proper divisors (8216010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4383990 is a wasteful number, since it uses less digits than its factorization.

4383990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 4383990 is about 2093.7979845248. The cubic root of 4383990 is about 163.6652650971.

The spelling of 4383990 in words is "four million, three hundred eighty-three thousand, nine hundred ninety".