8499957 has 4 divisors (see below), whose sum is σ = 11333280. Its totient is φ = 5666636.

The previous prime is 8499937. The next prime is 8499971. The reversal of 8499957 is 7599948.

It is a happy number.

8499957 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 is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8499957 - 2⁶ = 8499893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8499917) 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, 1416657 + ... + 1416662.

It is an arithmetic number, because the mean of its divisors is an integer number (2833320).

Almost surely, 2^8499957 is an apocalyptic number.

It is an amenable number.

8499957 is a deficient number, since it is larger than the sum of its proper divisors (2833323).

8499957 is a wasteful number, since it uses less digits than its factorization.

8499957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833322.

The product of its digits is 816480, while the sum is 51.

The square root of 8499957 is about 2915.4685729742. The cubic root of 8499957 is about 204.0824109557.

Subtracting from 8499957 its reverse (7599948), we obtain a palindrome (900009).

The spelling of 8499957 in words is "eight million, four hundred ninety-nine thousand, nine hundred fifty-seven".