4443720 has 64 divisors (see below), whose sum is σ = 14040000. Its totient is φ = 1122048.

The previous prime is 4443713. The next prime is 4443743. The reversal of 4443720 is 273444.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306 + ... + 3254.

It is an arithmetic number, because the mean of its divisors is an integer number (219375).

Almost surely, 2^4443720 is an apocalyptic number.

4443720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4443720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7020000).

4443720 is an abundant number, since it is smaller than the sum of its proper divisors (9596280).

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

4443720 is a wasteful number, since it uses less digits than its factorization.

4443720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1978 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 4443720 is about 2108.0132826906. The cubic root of 4443720 is about 164.4052046351.

The spelling of 4443720 in words is "four million, four hundred forty-three thousand, seven hundred twenty".