3640941 has 24 divisors (see below), whose sum is σ = 5686200. Its totient is φ = 2236416.

The previous prime is 3640937. The next prime is 3640991. The reversal of 3640941 is 1490463.

It can be written as a sum of positive squares in 4 ways, for example, as 1550025 + 2090916 = 1245^2 + 1446^2 .

It is not a de Polignac number, because 3640941 - 2² = 3640937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3640991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7885 + ... + 8333.

It is an arithmetic number, because the mean of its divisors is an integer number (236925).

Almost surely, 2^3640941 is an apocalyptic number.

It is an amenable number.

3640941 is a deficient number, since it is larger than the sum of its proper divisors (2045259).

3640941 is a wasteful number, since it uses less digits than its factorization.

3640941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3640941 is about 1908.1249959057. The cubic root of 3640941 is about 153.8406881199.

The spelling of 3640941 in words is "three million, six hundred forty thousand, nine hundred forty-one".