3636434 has 16 divisors (see below), whose sum is σ = 5655768. Its totient is φ = 1752192.

The previous prime is 3636427. The next prime is 3636439. The reversal of 3636434 is 4346363.

It can be written as a sum of positive squares in 4 ways, for example, as 2393209 + 1243225 = 1547^2 + 1115^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3636397 and 3636406.

It is not an unprimeable number, because it can be changed into a prime (3636439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11462 + ... + 11774.

Almost surely, 2^3636434 is an apocalyptic number.

3636434 is a deficient number, since it is larger than the sum of its proper divisors (2019334).

3636434 is a wasteful number, since it uses less digits than its factorization.

3636434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its digits is 15552, while the sum is 29.

The square root of 3636434 is about 1906.9436279030. The cubic root of 3636434 is about 153.7771838158. Note that the first 3 decimals are identical.

The spelling of 3636434 in words is "three million, six hundred thirty-six thousand, four hundred thirty-four".