4388020 has 48 divisors (see below), whose sum is σ = 11346048. Its totient is φ = 1388160.

The previous prime is 4388017. The next prime is 4388039. The reversal of 4388020 is 208834.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615 + ... + 3025.

It is an arithmetic number, because the mean of its divisors is an integer number (236376).

Almost surely, 2^4388020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4388020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5673024).

4388020 is an abundant number, since it is smaller than the sum of its proper divisors (6958028).

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

4388020 is a wasteful number, since it uses less digits than its factorization.

4388020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 4388020 is about 2094.7601294659. The cubic root of 4388020 is about 163.7153997171.

The spelling of 4388020 in words is "four million, three hundred eighty-eight thousand, twenty".