3634856 has 8 divisors (see below), whose sum is σ = 6815370. Its totient is φ = 1817424.

The previous prime is 3634811. The next prime is 3634859. The reversal of 3634856 is 6584363.

It can be written as a sum of positive squares in only one way, i.e., 1865956 + 1768900 = 1366^2 + 1330^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3634859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227171 + ... + 227186.

Almost surely, 2^3634856 is an apocalyptic number.

It is an amenable number.

3634856 is a deficient number, since it is larger than the sum of its proper divisors (3180514).

3634856 is a wasteful number, since it uses less digits than its factorization.

3634856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454363 (or 454359 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 3634856 is about 1906.5298319198. The cubic root of 3634856 is about 153.7549371583.

The spelling of 3634856 in words is "three million, six hundred thirty-four thousand, eight hundred fifty-six".