8345457 has 8 divisors (see below), whose sum is σ = 12363680. Its totient is φ = 5563620.

The previous prime is 8345431. The next prime is 8345459. The reversal of 8345457 is 7545438.

It is not a de Polignac number, because 8345457 - 2¹⁴ = 8329073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8345459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154519 + ... + 154572.

It is an arithmetic number, because the mean of its divisors is an integer number (1545460).

Almost surely, 2^8345457 is an apocalyptic number.

It is an amenable number.

8345457 is a deficient number, since it is larger than the sum of its proper divisors (4018223).

8345457 is a wasteful number, since it uses less digits than its factorization.

8345457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309100 (or 309094 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 8345457 is about 2888.8504634197. The cubic root of 8345457 is about 202.8383369980.

The spelling of 8345457 in words is "eight million, three hundred forty-five thousand, four hundred fifty-seven".