3715840 has 36 divisors (see below), whose sum is σ = 8903664. Its totient is φ = 1485824.

The previous prime is 3715837. The next prime is 3715841. The reversal of 3715840 is 485173.

3715840 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3715799 and 3715808.

It is not an unprimeable number, because it can be changed into a prime (3715841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (247324).

Almost surely, 2^3715840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3715840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4451832).

3715840 is an abundant number, since it is smaller than the sum of its proper divisors (5187824).

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

3715840 is an equidigital number, since it uses as much as digits as its factorization.

3715840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924 (or 2910 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 3715840 is about 1927.6514207709. The cubic root of 3715840 is about 154.8884386268. Note that the first 3 decimals are identical.

The spelling of 3715840 in words is "three million, seven hundred fifteen thousand, eight hundred forty".