3631401 has 24 divisors (see below), whose sum is σ = 5593536. Its totient is φ = 2265120.

The previous prime is 3631379. The next prime is 3631423. The reversal of 3631401 is 1041363.

It is an interprime number because it is at equal distance from previous prime (3631379) and next prime (3631423).

It is not a de Polignac number, because 3631401 - 2¹⁰ = 3630377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3631501) 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, 10806 + ... + 11136.

It is an arithmetic number, because the mean of its divisors is an integer number (233064).

Almost surely, 2^3631401 is an apocalyptic number.

It is an amenable number.

3631401 is a deficient number, since it is larger than the sum of its proper divisors (1962135).

3631401 is a wasteful number, since it uses less digits than its factorization.

3631401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3631401 is about 1905.6235200060. The cubic root of 3631401 is about 153.7062060477.

Adding to 3631401 its reverse (1041363), we get a palindrome (4672764).

It can be divided in two parts, 363 and 1401, that added together give a square (1764 = 42²).

The spelling of 3631401 in words is "three million, six hundred thirty-one thousand, four hundred one".