3456636 has 12 divisors (see below), whose sum is σ = 8065512. Its totient is φ = 1152208.

The previous prime is 3456617. The next prime is 3456637. The reversal of 3456636 is 6366543.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3456597 and 3456606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3456637) 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, 144015 + ... + 144038.

It is an arithmetic number, because the mean of its divisors is an integer number (672126).

Almost surely, 2^3456636 is an apocalyptic number.

It is an amenable number.

3456636 is an abundant number, since it is smaller than the sum of its proper divisors (4608876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3456636 is a wasteful number, since it uses less digits than its factorization.

3456636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288060 (or 288058 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 3456636 is about 1859.2030550749. The cubic root of 3456636 is about 151.1997998374.

The spelling of 3456636 in words is "three million, four hundred fifty-six thousand, six hundred thirty-six".