3641585 has 4 divisors (see below), whose sum is σ = 4369908. Its totient is φ = 2913264.

The previous prime is 3641569. The next prime is 3641591. The reversal of 3641585 is 5851463.

It is a happy number.

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 2211169 + 1430416 = 1487^2 + 1196^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641585 - 2⁴ = 3641569 is a prime.

It is a super-2 number, since 2×3641585² = 26522282624450, which contains 22 as substring.

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, 364154 + ... + 364163.

It is an arithmetic number, because the mean of its divisors is an integer number (1092477).

Almost surely, 2^3641585 is an apocalyptic number.

It is an amenable number.

3641585 is a deficient number, since it is larger than the sum of its proper divisors (728323).

3641585 is an equidigital number, since it uses as much as digits as its factorization.

3641585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728322.

The product of its digits is 14400, while the sum is 32.

The square root of 3641585 is about 1908.2937404918. The cubic root of 3641585 is about 153.8497578963.

The spelling of 3641585 in words is "three million, six hundred forty-one thousand, five hundred eighty-five".