8545939 has 2 divisors, whose sum is σ = 8545940. Its totient is φ = 8545938.

The previous prime is 8545937. The next prime is 8545961. The reversal of 8545939 is 9395458.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8545939 - 2¹ = 8545937 is a prime.

Together with 8545937, it forms a pair of twin primes.

8545939 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8545895 and 8545904.

It is not a weakly prime, because it can be changed into another prime (8545937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272969 + 4272970.

It is an arithmetic number, because the mean of its divisors is an integer number (4272970).

Almost surely, 2^8545939 is an apocalyptic number.

8545939 is a deficient number, since it is larger than the sum of its proper divisors (1).

8545939 is an equidigital number, since it uses as much as digits as its factorization.

8545939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 43.

The square root of 8545939 is about 2923.3438046183. The cubic root of 8545939 is about 204.4497558110.

The spelling of 8545939 in words is "eight million, five hundred forty-five thousand, nine hundred thirty-nine".