3993750 has 72 divisors (see below), whose sum is σ = 10968048. Its totient is φ = 1050000.

The previous prime is 3993739. The next prime is 3993751. The reversal of 3993750 is 573993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993751) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 56215 + ... + 56285.

It is an arithmetic number, because the mean of its divisors is an integer number (152334).

Almost surely, 2^3993750 is an apocalyptic number.

3993750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3993750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5484024).

3993750 is an abundant number, since it is smaller than the sum of its proper divisors (6974298).

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

3993750 is an equidigital number, since it uses as much as digits as its factorization.

3993750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 3993750 is about 1998.4368891711. The cubic root of 3993750 is about 158.6573849603.

The spelling of 3993750 in words is "three million, nine hundred ninety-three thousand, seven hundred fifty".