4388720 has 80 divisors (see below), whose sum is σ = 12374208. Its totient is φ = 1413120.

The previous prime is 4388711. The next prime is 4388731. The reversal of 4388720 is 278834.

4388720 = T₄₉₁ + T₄₉₂ + ... + T₅₂₄.

It is a tau number, because it is divible by the number of its divisors (80).

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, 9290 + ... + 9750.

Almost surely, 2^4388720 is an apocalyptic number.

4388720 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 4388720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6187104).

4388720 is an abundant number, since it is smaller than the sum of its proper divisors (7985488).

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

4388720 is a wasteful number, since it uses less digits than its factorization.

4388720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 4388720 is about 2094.9272063726. The cubic root of 4388720 is about 163.7241048344.

The spelling of 4388720 in words is "four million, three hundred eighty-eight thousand, seven hundred twenty".