3641403 has 4 divisors (see below), whose sum is σ = 4855208. Its totient is φ = 2427600.

The previous prime is 3641401. The next prime is 3641423. The reversal of 3641403 is 3041463.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3641403 - 2¹ = 3641401 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3641403.

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 in 3 ways as a sum of consecutive naturals, for example, 606898 + ... + 606903.

It is an arithmetic number, because the mean of its divisors is an integer number (1213802).

Almost surely, 2^3641403 is an apocalyptic number.

3641403 is a deficient number, since it is larger than the sum of its proper divisors (1213805).

3641403 is a wasteful number, since it uses less digits than its factorization.

3641403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213804.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3641403 is about 1908.2460533170. The cubic root of 3641403 is about 153.8471948071.

Adding to 3641403 its reverse (3041463), we get a palindrome (6682866).

The spelling of 3641403 in words is "three million, six hundred forty-one thousand, four hundred three".