8873641 has 4 divisors (see below), whose sum is σ = 10141312. Its totient is φ = 7605972.

The previous prime is 8873639. The next prime is 8873663. The reversal of 8873641 is 1463788.

It is a happy number.

8873641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8873641 - 2¹ = 8873639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8873641.

It is not an unprimeable number, because it can be changed into a prime (8873611) 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, 633825 + ... + 633838.

It is an arithmetic number, because the mean of its divisors is an integer number (2535328).

Almost surely, 2^8873641 is an apocalyptic number.

It is an amenable number.

8873641 is a deficient number, since it is larger than the sum of its proper divisors (1267671).

8873641 is a wasteful number, since it uses less digits than its factorization.

8873641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267670.

The product of its digits is 32256, while the sum is 37.

The square root of 8873641 is about 2978.8657237277. The cubic root of 8873641 is about 207.0303190982.

The spelling of 8873641 in words is "eight million, eight hundred seventy-three thousand, six hundred forty-one".