3631402 has 16 divisors (see below), whose sum is σ = 5778432. Its totient is φ = 1708560.

The previous prime is 3631379. The next prime is 3631423. The reversal of 3631402 is 2041363.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3631402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503 + ... + 3085.

It is an arithmetic number, because the mean of its divisors is an integer number (361152).

Almost surely, 2^3631402 is an apocalyptic number.

3631402 is a deficient number, since it is larger than the sum of its proper divisors (2147030).

3631402 is a wasteful number, since it uses less digits than its factorization.

3631402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3631402 is about 1905.6237823873. The cubic root of 3631402 is about 153.7062201567.

Adding to 3631402 its reverse (2041363), we get a palindrome (5672765).

The spelling of 3631402 in words is "three million, six hundred thirty-one thousand, four hundred two".