8199957 has 8 divisors (see below), whose sum is σ = 10966176. Its totient is φ = 5450192.

The previous prime is 8199943. The next prime is 8199979. The reversal of 8199957 is 7599918.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8199957 - 2⁴ = 8199941 is a prime.

8199957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8199907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2898 + ... + 4979.

It is an arithmetic number, because the mean of its divisors is an integer number (1370772).

Almost surely, 2^8199957 is an apocalyptic number.

It is an amenable number.

8199957 is a deficient number, since it is larger than the sum of its proper divisors (2766219).

8199957 is a wasteful number, since it uses less digits than its factorization.

8199957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8227.

The product of its digits is 204120, while the sum is 48.

The square root of 8199957 is about 2863.5567045197. The cubic root of 8199957 is about 201.6526150384.

The spelling of 8199957 in words is "eight million, one hundred ninety-nine thousand, nine hundred fifty-seven".