3281636 has 6 divisors (see below), whose sum is σ = 5742870. Its totient is φ = 1640816.

The previous prime is 3281627. The next prime is 3281657. The reversal of 3281636 is 6361823.

It can be written as a sum of positive squares in only one way, i.e., 3041536 + 240100 = 1744^2 + 490^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3281599 and 3281608.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410201 + ... + 410208.

It is an arithmetic number, because the mean of its divisors is an integer number (957145).

Almost surely, 2^3281636 is an apocalyptic number.

It is an amenable number.

3281636 is a deficient number, since it is larger than the sum of its proper divisors (2461234).

3281636 is a wasteful number, since it uses less digits than its factorization.

3281636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820413 (or 820411 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 3281636 is about 1811.5286362628. The cubic root of 3281636 is about 148.6038755211.

The spelling of 3281636 in words is "three million, two hundred eighty-one thousand, six hundred thirty-six".