8399459 has 2 divisors, whose sum is σ = 8399460. Its totient is φ = 8399458.

The previous prime is 8399441. The next prime is 8399477. The reversal of 8399459 is 9549938.

It is a balanced prime because it is at equal distance from previous prime (8399441) and next prime (8399477).

It is a cyclic number.

It is not a de Polignac number, because 8399459 - 2²⁰ = 7350883 is a prime.

It is a super-2 number, since 2×8399459² = 141101822985362, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8399429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4199729 + 4199730.

It is an arithmetic number, because the mean of its divisors is an integer number (4199730).

Almost surely, 2^8399459 is an apocalyptic number.

8399459 is a deficient number, since it is larger than the sum of its proper divisors (1).

8399459 is an equidigital number, since it uses as much as digits as its factorization.

8399459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 47.

The square root of 8399459 is about 2898.1820163682. The cubic root of 8399459 is about 203.2749072183.

The spelling of 8399459 in words is "eight million, three hundred ninety-nine thousand, four hundred fifty-nine".