7988459 has 2 divisors, whose sum is σ = 7988460. Its totient is φ = 7988458.

The previous prime is 7988443. The next prime is 7988473. The reversal of 7988459 is 9548897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7988459 - 2⁴ = 7988443 is a prime.

It is not a weakly prime, because it can be changed into another prime (7988479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3994229 + 3994230.

It is an arithmetic number, because the mean of its divisors is an integer number (3994230).

Almost surely, 2^7988459 is an apocalyptic number.

7988459 is a deficient number, since it is larger than the sum of its proper divisors (1).

7988459 is an equidigital number, since it uses as much as digits as its factorization.

7988459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 50.

The square root of 7988459 is about 2826.3862085709. The cubic root of 7988459 is about 199.9037787147.

The spelling of 7988459 in words is "seven million, nine hundred eighty-eight thousand, four hundred fifty-nine".