8479091 has 4 divisors (see below), whose sum is σ = 8530032. Its totient is φ = 8428152.

The previous prime is 8479057. The next prime is 8479109. The reversal of 8479091 is 1909748.

8479091 is digitally balanced in base 3, 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8479091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8479291) 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, 25220 + ... + 25553.

It is an arithmetic number, because the mean of its divisors is an integer number (2132508).

Almost surely, 2^8479091 is an apocalyptic number.

8479091 is a deficient number, since it is larger than the sum of its proper divisors (50941).

8479091 is a wasteful number, since it uses less digits than its factorization.

8479091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50940.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 8479091 is about 2911.8878755886. The cubic root of 8479091 is about 203.9152778400.

It can be divided in two parts, 847 and 9091, that multiplied together give a palindrome (7700077).

The spelling of 8479091 in words is "eight million, four hundred seventy-nine thousand, ninety-one".