3613641 has 8 divisors (see below), whose sum is σ = 4843200. Its totient is φ = 2396592.

The previous prime is 3613637. The next prime is 3613663. The reversal of 3613641 is 1463163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3613641 - 2² = 3613637 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3613601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2430 + ... + 3623.

It is an arithmetic number, because the mean of its divisors is an integer number (605400).

Almost surely, 2^3613641 is an apocalyptic number.

It is an amenable number.

3613641 is a deficient number, since it is larger than the sum of its proper divisors (1229559).

3613641 is a wasteful number, since it uses less digits than its factorization.

3613641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255.

The product of its digits is 1296, while the sum is 24.

The square root of 3613641 is about 1900.9579164200. The cubic root of 3613641 is about 153.4552207692.

The spelling of 3613641 in words is "three million, six hundred thirteen thousand, six hundred forty-one".