3641408 has 14 divisors (see below), whose sum is σ = 7226046. Its totient is φ = 1820672.

The previous prime is 3641401. The next prime is 3641423. The reversal of 3641408 is 8041463.

It can be written as a sum of positive squares in only one way, i.e., 1982464 + 1658944 = 1408^2 + 1288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28385 + ... + 28512.

Almost surely, 2^3641408 is an apocalyptic number.

It is an amenable number.

3641408 is a deficient number, since it is larger than the sum of its proper divisors (3584638).

3641408 is an equidigital number, since it uses as much as digits as its factorization.

3641408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56909 (or 56899 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 3641408 is about 1908.2473634202. The cubic root of 3641408 is about 153.8472652227.

The spelling of 3641408 in words is "three million, six hundred forty-one thousand, four hundred eight".