8912643 has 8 divisors (see below), whose sum is σ = 12046608. Its totient is φ = 5860224.

The previous prime is 8912627. The next prime is 8912663. The reversal of 8912643 is 3462198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8912643 - 2⁴ = 8912627 is a prime.

8912643 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8912663) 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, 20130 + ... + 20567.

It is an arithmetic number, because the mean of its divisors is an integer number (1505826).

Almost surely, 2^8912643 is an apocalyptic number.

8912643 is a deficient number, since it is larger than the sum of its proper divisors (3133965).

8912643 is a wasteful number, since it uses less digits than its factorization.

8912643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40773.

The product of its digits is 10368, while the sum is 33.

The square root of 8912643 is about 2985.4049976511. The cubic root of 8912643 is about 207.3331934693. Note that the first 3 decimals are identical.

The spelling of 8912643 in words is "eight million, nine hundred twelve thousand, six hundred forty-three".