8879491 has 4 divisors (see below), whose sum is σ = 9401832. Its totient is φ = 8357152.

The previous prime is 8879489. The next prime is 8879503. The reversal of 8879491 is 1949788.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8879491 - 2¹ = 8879489 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 (8879401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261145 + ... + 261178.

It is an arithmetic number, because the mean of its divisors is an integer number (2350458).

Almost surely, 2^8879491 is an apocalyptic number.

8879491 is a deficient number, since it is larger than the sum of its proper divisors (522341).

8879491 is a wasteful number, since it uses less digits than its factorization.

8879491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522340.

The product of its digits is 145152, while the sum is 46.

The square root of 8879491 is about 2979.8474793184. The cubic root of 8879491 is about 207.0758044226.

The spelling of 8879491 in words is "eight million, eight hundred seventy-nine thousand, four hundred ninety-one".