3706240 has 32 divisors (see below), whose sum is σ = 8861760. Its totient is φ = 1482240.

The previous prime is 3706201. The next prime is 3706247. The reversal of 3706240 is 426073.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3706247) 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, 2256 + ... + 3535.

It is an arithmetic number, because the mean of its divisors is an integer number (276930).

Almost surely, 2^3706240 is an apocalyptic number.

It is an amenable number.

3706240 is an abundant number, since it is smaller than the sum of its proper divisors (5155520).

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

3706240 is an equidigital number, since it uses as much as digits as its factorization.

3706240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5810 (or 5798 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 3706240 is about 1925.1597336325. The cubic root of 3706240 is about 154.7549370621.

The spelling of 3706240 in words is "three million, seven hundred six thousand, two hundred forty".