8879489 has 2 divisors, whose sum is σ = 8879490. Its totient is φ = 8879488.

The previous prime is 8879447. The next prime is 8879503. The reversal of 8879489 is 9849788.

8879489 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7398400 + 1481089 = 2720^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 8879489 - 2²⁰ = 7830913 is a prime.

It is a super-2 number, since 2×8879489² = 157690649802242, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8879489.

It is not a weakly prime, because it can be changed into another prime (8879989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4439744 + 4439745.

It is an arithmetic number, because the mean of its divisors is an integer number (4439745).

Almost surely, 2^8879489 is an apocalyptic number.

It is an amenable number.

8879489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8879489 is an equidigital number, since it uses as much as digits as its factorization.

8879489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 53.

The square root of 8879489 is about 2979.8471437307. The cubic root of 8879489 is about 207.0757888754.

Subtracting 8879489 from its reverse (9849788), we obtain a cube (970299 = 99³).

The spelling of 8879489 in words is "eight million, eight hundred seventy-nine thousand, four hundred eighty-nine".