8193957 has 16 divisors (see below), whose sum is σ = 11491200. Its totient is φ = 5183552.

The previous prime is 8193929. The next prime is 8193961. The reversal of 8193957 is 7593918.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8193957 - 2⁸ = 8193701 is a prime.

Its product of digits (68040) is a multiple of the sum of its prime divisors (972).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8193907) 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, 9883 + ... + 10679.

It is an arithmetic number, because the mean of its divisors is an integer number (718200).

Almost surely, 2^8193957 is an apocalyptic number.

It is an amenable number.

8193957 is a deficient number, since it is larger than the sum of its proper divisors (3297243).

8193957 is a wasteful number, since it uses less digits than its factorization.

8193957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

The product of its digits is 68040, while the sum is 42.

The square root of 8193957 is about 2862.5088646151. The cubic root of 8193957 is about 201.6034192148.

The spelling of 8193957 in words is "eight million, one hundred ninety-three thousand, nine hundred fifty-seven".