8399957 has 12 divisors (see below), whose sum is σ = 9097440. Its totient is φ = 7734240.

The previous prime is 8399953. The next prime is 8399987. The reversal of 8399957 is 7599938.

It is not a de Polignac number, because 8399957 - 2² = 8399953 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 (8399953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31808 + ... + 32070.

It is an arithmetic number, because the mean of its divisors is an integer number (758120).

Almost surely, 2^8399957 is an apocalyptic number.

It is an amenable number.

8399957 is a deficient number, since it is larger than the sum of its proper divisors (697483).

8399957 is a wasteful number, since it uses less digits than its factorization.

8399957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 323 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 8399957 is about 2898.2679310236. The cubic root of 8399957 is about 203.2789244970.

The spelling of 8399957 in words is "eight million, three hundred ninety-nine thousand, nine hundred fifty-seven".