3694240 has 48 divisors (see below), whose sum is σ = 9525600. Its totient is φ = 1342720.

The previous prime is 3694217. The next prime is 3694241. The reversal of 3694240 is 424963.

3694240 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 = 3694199 and 3694208.

It is not an unprimeable number, because it can be changed into a prime (3694241) 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, 711 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (198450).

Almost surely, 2^3694240 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 3694240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4762800).

3694240 is an abundant number, since it is smaller than the sum of its proper divisors (5831360).

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

3694240 is a wasteful number, since it uses less digits than its factorization.

3694240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2117 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 3694240 is about 1922.0405822979. The cubic root of 3694240 is about 154.5877355219.

The spelling of 3694240 in words is "three million, six hundred ninety-four thousand, two hundred forty".