3708640 has 48 divisors (see below), whose sum is σ = 9440928. Its totient is φ = 1368576.

The previous prime is 3708637. The next prime is 3708641. The reversal of 3708640 is 468073.

3708640 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3708599 and 3708608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3708641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1189 + ... + 2971.

It is an arithmetic number, because the mean of its divisors is an integer number (196686).

Almost surely, 2^3708640 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 3708640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4720464).

3708640 is an abundant number, since it is smaller than the sum of its proper divisors (5732288).

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

3708640 is a wasteful number, since it uses less digits than its factorization.

3708640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3708640 is about 1925.7829576564. The cubic root of 3708640 is about 154.7883340455.

The spelling of 3708640 in words is "three million, seven hundred eight thousand, six hundred forty".