8049457 has 4 divisors (see below), whose sum is σ = 8668660. Its totient is φ = 7430256.

The previous prime is 8049413. The next prime is 8049467. The reversal of 8049457 is 7549408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1032256 + 7017201 = 1016^2 + 2649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8049457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8049467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309582 + ... + 309607.

It is an arithmetic number, because the mean of its divisors is an integer number (2167165).

Almost surely, 2^8049457 is an apocalyptic number.

It is an amenable number.

8049457 is a deficient number, since it is larger than the sum of its proper divisors (619203).

8049457 is a wasteful number, since it uses less digits than its factorization.

8049457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619202.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 8049457 is about 2837.1564990321. The cubic root of 8049457 is about 200.4112952679.

The spelling of 8049457 in words is "eight million, forty-nine thousand, four hundred fifty-seven".