8039457 has 12 divisors (see below), whose sum is σ = 11733540. Its totient is φ = 5303808.

The previous prime is 8039441. The next prime is 8039461. The reversal of 8039457 is 7549308.

It can be written as a sum of positive squares in 2 ways, for example, as 2322576 + 5716881 = 1524^2 + 2391^2 .

It is not a de Polignac number, because 8039457 - 2⁴ = 8039441 is a prime.

It is a super-3 number, since 3×8039457³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8039497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3732 + ... + 5477.

It is an arithmetic number, because the mean of its divisors is an integer number (977795).

Almost surely, 2^8039457 is an apocalyptic number.

It is an amenable number.

8039457 is a deficient number, since it is larger than the sum of its proper divisors (3694083).

8039457 is a wasteful number, since it uses less digits than its factorization.

8039457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312 (or 9309 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 8039457 is about 2835.3936234675. The cubic root of 8039457 is about 200.3282692351.

The spelling of 8039457 in words is "eight million, thirty-nine thousand, four hundred fifty-seven".