3631396 has 6 divisors (see below), whose sum is σ = 6354950. Its totient is φ = 1815696.

The previous prime is 3631379. The next prime is 3631423. The reversal of 3631396 is 6931363.

3631396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2340900 + 1290496 = 1530^2 + 1136^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453921 + ... + 453928.

Almost surely, 2^3631396 is an apocalyptic number.

It is an amenable number.

3631396 is a deficient number, since it is larger than the sum of its proper divisors (2723554).

3631396 is a wasteful number, since it uses less digits than its factorization.

3631396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907853 (or 907851 counting only the distinct ones).

The product of its digits is 8748, while the sum is 31.

The square root of 3631396 is about 1905.6222080990. The cubic root of 3631396 is about 153.7061355027.

It can be divided in two parts, 36 and 31396, that multiplied together give a triangular number (1130256 = T₁₅₀₃).

The spelling of 3631396 in words is "three million, six hundred thirty-one thousand, three hundred ninety-six".