8340449 has 8 divisors (see below), whose sum is σ = 9455040. Its totient is φ = 7293456.

The previous prime is 8340443. The next prime is 8340473. The reversal of 8340449 is 9440438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8340449 - 2⁴ = 8340433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8340443) 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, 16637 + ... + 17130.

It is an arithmetic number, because the mean of its divisors is an integer number (1181880).

Almost surely, 2^8340449 is an apocalyptic number.

It is an amenable number.

8340449 is a deficient number, since it is larger than the sum of its proper divisors (1114591).

8340449 is a wasteful number, since it uses less digits than its factorization.

8340449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33799.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 8340449 is about 2887.9835525847. The cubic root of 8340449 is about 202.7977553318.

The spelling of 8340449 in words is "eight million, three hundred forty thousand, four hundred forty-nine".