8340057 has 16 divisors (see below), whose sum is σ = 13479360. Its totient is φ = 5054400.

The previous prime is 8340049. The next prime is 8340061. The reversal of 8340057 is 7500438.

It is not a de Polignac number, because 8340057 - 2³ = 8340049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 8340057.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340257) 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 15 ways as a sum of consecutive naturals, for example, 13744 + ... + 14337.

It is an arithmetic number, because the mean of its divisors is an integer number (842460).

Almost surely, 2^8340057 is an apocalyptic number.

It is an amenable number.

8340057 is a deficient number, since it is larger than the sum of its proper divisors (5139303).

8340057 is a wasteful number, since it uses less digits than its factorization.

8340057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28101 (or 28095 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 8340057 is about 2887.9156843648. The cubic root of 8340057 is about 202.7945781261.

The spelling of 8340057 in words is "eight million, three hundred forty thousand, fifty-seven".