4386720 has 192 divisors, whose sum is σ = 16087680. Its totient is φ = 995328.

The previous prime is 4386719. The next prime is 4386763. The reversal of 4386720 is 276834.

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

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 31 ways as a sum of consecutive naturals, for example, 118542 + ... + 118578.

It is an arithmetic number, because the mean of its divisors is an integer number (83790).

Almost surely, 2^4386720 is an apocalyptic number.

4386720 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 4386720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8043840).

4386720 is an abundant number, since it is smaller than the sum of its proper divisors (11700960).

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

4386720 is a wasteful number, since it uses less digits than its factorization.

4386720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 4386720 is about 2094.4498084223. The cubic root of 4386720 is about 163.6992306141.

The spelling of 4386720 in words is "four million, three hundred eighty-six thousand, seven hundred twenty".