8079641 has 4 divisors (see below), whose sum is σ = 8554932. Its totient is φ = 7604352.

The previous prime is 8079581. The next prime is 8079649. The reversal of 8079641 is 1469708.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3222025 + 4857616 = 1795^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 8079641 - 2²² = 3885337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8079649) 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, 237620 + ... + 237653.

It is an arithmetic number, because the mean of its divisors is an integer number (2138733).

Almost surely, 2^8079641 is an apocalyptic number.

It is an amenable number.

8079641 is a deficient number, since it is larger than the sum of its proper divisors (475291).

8079641 is a wasteful number, since it uses less digits than its factorization.

8079641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475290.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 8079641 is about 2842.4709321293. The cubic root of 8079641 is about 200.6614847774.

The spelling of 8079641 in words is "eight million, seventy-nine thousand, six hundred forty-one".