4395720 has 64 divisors (see below), whose sum is σ = 15073920. Its totient is φ = 1004544.

The previous prime is 4395719. The next prime is 4395739. The reversal of 4395720 is 275934.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1777 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (235530).

Almost surely, 2^4395720 is an apocalyptic number.

4395720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4395720 is an abundant number, since it is smaller than the sum of its proper divisors (10678200).

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

4395720 is a wasteful number, since it uses less digits than its factorization.

4395720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254 (or 5250 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 4395720 is about 2096.5972431538. The cubic root of 4395720 is about 163.8111051402.

It can be divided in two parts, 4395 and 720, that added together give a palindrome (5115).

The spelling of 4395720 in words is "four million, three hundred ninety-five thousand, seven hundred twenty".