8632646 has 16 divisors (see below), whose sum is σ = 14307840. Its totient is φ = 3873480.

The previous prime is 8632621. The next prime is 8632649. The reversal of 8632646 is 6462368.

It is a super-2 number, since 2×8632646² = 149045153922632, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8632649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (894240).

Almost surely, 2^8632646 is an apocalyptic number.

8632646 is the 1571-st centered heptagonal number.

8632646 is a deficient number, since it is larger than the sum of its proper divisors (5675194).

8632646 is a wasteful number, since it uses less digits than its factorization.

8632646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059.

The product of its digits is 41472, while the sum is 35.

The square root of 8632646 is about 2938.1364842362. The cubic root of 8632646 is about 205.1388787280.

The spelling of 8632646 in words is "eight million, six hundred thirty-two thousand, six hundred forty-six".