8067397 has 4 divisors (see below), whose sum is σ = 8687980. Its totient is φ = 7446816.

The previous prime is 8067383. The next prime is 8067407. The reversal of 8067397 is 7937608.

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 3682561 + 4384836 = 1919^2 + 2094^2 .

It is not a de Polignac number, because 8067397 - 2¹⁵ = 8034629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8067337) 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, 310272 + ... + 310297.

It is an arithmetic number, because the mean of its divisors is an integer number (2171995).

Almost surely, 2^8067397 is an apocalyptic number.

It is an amenable number.

8067397 is a deficient number, since it is larger than the sum of its proper divisors (620583).

8067397 is a wasteful number, since it uses less digits than its factorization.

8067397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620582.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 8067397 is about 2840.3163556196. The cubic root of 8067397 is about 200.5600718005.

It can be divided in two parts, 8067 and 397, that added together give a square (8464 = 92²).

The spelling of 8067397 in words is "eight million, sixty-seven thousand, three hundred ninety-seven".