8751397 has 4 divisors (see below), whose sum is σ = 8759116. Its totient is φ = 8743680.

The previous prime is 8751371. The next prime is 8751401. The reversal of 8751397 is 7931578.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7931578 = 2 ⋅3965789.

It can be written as a sum of positive squares in 2 ways, for example, as 3511876 + 5239521 = 1874^2 + 2289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8751397 is a prime.

It is a Duffinian number.

8751397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8751367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788 + ... + 4549.

It is an arithmetic number, because the mean of its divisors is an integer number (2189779).

Almost surely, 2^8751397 is an apocalyptic number.

It is an amenable number.

8751397 is a deficient number, since it is larger than the sum of its proper divisors (7719).

8751397 is a wasteful number, since it uses less digits than its factorization.

8751397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718.

The product of its digits is 52920, while the sum is 40.

The square root of 8751397 is about 2958.2760182241. The cubic root of 8751397 is about 206.0752309508.

The spelling of 8751397 in words is "eight million, seven hundred fifty-one thousand, three hundred ninety-seven".