8936397 has 18 divisors (see below), whose sum is σ = 13500942. Its totient is φ = 5695536.

The previous prime is 8936387. The next prime is 8936399. The reversal of 8936397 is 7936398.

It is a happy number.

8936397 is a `hidden beast` number, since 8 + 9 + 3 + 639 + 7 = 666.

8936397 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8003241 + 933156 = 2829^2 + 966^2 .

It is not a de Polignac number, because 8936397 - 2⁸ = 8936141 is a prime.

8936397 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8936399) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3823 + ... + 5699.

Almost surely, 2^8936397 is an apocalyptic number.

It is an amenable number.

8936397 is a deficient number, since it is larger than the sum of its proper divisors (4564545).

8936397 is a wasteful number, since it uses less digits than its factorization.

8936397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929 (or 1903 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 8936397 is about 2989.3807050960. The cubic root of 8936397 is about 207.5172250664.

Subtracting from 8936397 its reverse (7936398), we obtain a palindrome (999999).

The spelling of 8936397 in words is "eight million, nine hundred thirty-six thousand, three hundred ninety-seven".