8469979 has 8 divisors (see below), whose sum is σ = 9704448. Its totient is φ = 7241640.

The previous prime is 8469977. The next prime is 8469997. The reversal of 8469979 is 9799648.

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

It is not a de Polignac number, because 8469979 - 2¹ = 8469977 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8469973) 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 7 ways as a sum of consecutive naturals, for example, 1974 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (1213056).

Almost surely, 2^8469979 is an apocalyptic number.

8469979 is a deficient number, since it is larger than the sum of its proper divisors (1234469).

8469979 is a wasteful number, since it uses less digits than its factorization.

8469979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its digits is 979776, while the sum is 52.

The square root of 8469979 is about 2910.3228343261. The cubic root of 8469979 is about 203.8422062494.

The spelling of 8469979 in words is "eight million, four hundred sixty-nine thousand, nine hundred seventy-nine".