3704561 has 8 divisors (see below), whose sum is σ = 4260480. Its totient is φ = 3155328.

The previous prime is 3704543. The next prime is 3704573. The reversal of 3704561 is 1654073.

3704561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3704561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3704561.

It is not an unprimeable number, because it can be changed into a prime (3704581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (532560).

Almost surely, 2^3704561 is an apocalyptic number.

It is an amenable number.

3704561 is a deficient number, since it is larger than the sum of its proper divisors (555919).

3704561 is a wasteful number, since it uses less digits than its factorization.

3704561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 3704561 is about 1924.7236165226. The cubic root of 3704561 is about 154.7315645169.

The spelling of 3704561 in words is "three million, seven hundred four thousand, five hundred sixty-one".