3816720 has 200 divisors, whose sum is σ = 14403840. Its totient is φ = 933120.

The previous prime is 3816713. The next prime is 3816733. The reversal of 3816720 is 276183.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 123105 + ... + 123135.

Almost surely, 2^3816720 is an apocalyptic number.

3816720 is a gapful number since it is divisible by the number (30) 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 3816720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7201920).

3816720 is an abundant number, since it is smaller than the sum of its proper divisors (10587120).

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

3816720 is a wasteful number, since it uses less digits than its factorization.

3816720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 3816720 is about 1953.6427513750. The cubic root of 3816720 is about 156.2776121868.

The spelling of 3816720 in words is "three million, eight hundred sixteen thousand, seven hundred twenty".