3597985 has 4 divisors (see below), whose sum is σ = 4317588. Its totient is φ = 2878384.

The previous prime is 3597983. The next prime is 3597989. The reversal of 3597985 is 5897953.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 762129 + 2835856 = 873^2 + 1684^2 .

It is a cyclic number.

It is not a de Polignac number, because 3597985 - 2¹ = 3597983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3597983) 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, 359794 + ... + 359803.

It is an arithmetic number, because the mean of its divisors is an integer number (1079397).

Almost surely, 2^3597985 is an apocalyptic number.

It is an amenable number.

3597985 is a deficient number, since it is larger than the sum of its proper divisors (719603).

3597985 is an equidigital number, since it uses as much as digits as its factorization.

3597985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719602.

The product of its digits is 340200, while the sum is 46.

The square root of 3597985 is about 1896.8355226535. The cubic root of 3597985 is about 153.2332864475.

Subtracting 3597985 from its reverse (5897953), we obtain a cube (2299968 = 132³).

The spelling of 3597985 in words is "three million, five hundred ninety-seven thousand, nine hundred eighty-five".