3636404 has 12 divisors (see below), whose sum is σ = 6427428. Its totient is φ = 1800000.

The previous prime is 3636403. The next prime is 3636427. The reversal of 3636404 is 4046363.

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 1392400 = 1498^2 + 1180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3636401) 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, 4097 + ... + 4904.

It is an arithmetic number, because the mean of its divisors is an integer number (535619).

Almost surely, 2^3636404 is an apocalyptic number.

It is an amenable number.

3636404 is a deficient number, since it is larger than the sum of its proper divisors (2791024).

3636404 is a wasteful number, since it uses less digits than its factorization.

3636404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9106 (or 9104 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 3636404 is about 1906.9357618966. The cubic root of 3636404 is about 153.7767609355.

It can be divided in two parts, 3636 and 404, that multiplied together give a square (1468944 = 1212²).

The spelling of 3636404 in words is "three million, six hundred thirty-six thousand, four hundred four".