3573985 has 4 divisors (see below), whose sum is σ = 4288788. Its totient is φ = 2859184.

The previous prime is 3573979. The next prime is 3574013. The reversal of 3573985 is 5893753.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5893753 = 47 ⋅125399.

It can be written as a sum of positive squares in 2 ways, for example, as 2226064 + 1347921 = 1492^2 + 1161^2 .

It is a cyclic number.

It is not a de Polignac number, because 3573985 - 2⁵ = 3573953 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357394 + ... + 357403.

It is an arithmetic number, because the mean of its divisors is an integer number (1072197).

Almost surely, 2^3573985 is an apocalyptic number.

It is an amenable number.

3573985 is a deficient number, since it is larger than the sum of its proper divisors (714803).

3573985 is an equidigital number, since it uses as much as digits as its factorization.

3573985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714802.

The product of its digits is 113400, while the sum is 40.

The square root of 3573985 is about 1890.4986114779. The cubic root of 3573985 is about 152.8918169554.

The spelling of 3573985 in words is "three million, five hundred seventy-three thousand, nine hundred eighty-five".