8440499 has 2 divisors, whose sum is σ = 8440500. Its totient is φ = 8440498.

The previous prime is 8440457. The next prime is 8440507. The reversal of 8440499 is 9940448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8440499 - 2¹⁶ = 8374963 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8440429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220249 + 4220250.

It is an arithmetic number, because the mean of its divisors is an integer number (4220250).

Almost surely, 2^8440499 is an apocalyptic number.

8440499 is a deficient number, since it is larger than the sum of its proper divisors (1).

8440499 is an equidigital number, since it uses as much as digits as its factorization.

8440499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8440499 is about 2905.2536894392. The cubic root of 8440499 is about 203.6054385013.

The spelling of 8440499 in words is "eight million, four hundred forty thousand, four hundred ninety-nine".