3641045 has 4 divisors (see below), whose sum is σ = 4369260. Its totient is φ = 2912832.

The previous prime is 3641041. The next prime is 3641051. The reversal of 3641045 is 5401463.

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: 5401463 = 41 ⋅131743.

It can be written as a sum of positive squares in 2 ways, for example, as 1697809 + 1943236 = 1303^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 3641045 - 2² = 3641041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3641045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641041) 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, 364100 + ... + 364109.

It is an arithmetic number, because the mean of its divisors is an integer number (1092315).

Almost surely, 2^3641045 is an apocalyptic number.

It is an amenable number.

3641045 is a deficient number, since it is larger than the sum of its proper divisors (728215).

3641045 is an equidigital number, since it uses as much as digits as its factorization.

3641045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728214.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3641045 is about 1908.1522475945. The cubic root of 3641045 is about 153.8421528767.

The spelling of 3641045 in words is "three million, six hundred forty-one thousand, forty-five".