3685570 has 32 divisors (see below), whose sum is σ = 7792128. Its totient is φ = 1228608.

The previous prime is 3685541. The next prime is 3685571. The reversal of 3685570 is 755863.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3685571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (243504).

Almost surely, 2^3685570 is an apocalyptic number.

3685570 is an abundant number, since it is smaller than the sum of its proper divisors (4106558).

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

3685570 is a wasteful number, since it uses less digits than its factorization.

3685570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 3685570 is about 1919.7838419989. The cubic root of 3685570 is about 154.4667069718.

The spelling of 3685570 in words is "three million, six hundred eighty-five thousand, five hundred seventy".