8857249 has 4 divisors (see below), whose sum is σ = 9323440. Its totient is φ = 8391060.

The previous prime is 8857217. The next prime is 8857253. The reversal of 8857249 is 9427588.

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 8857249 - 2⁵ = 8857217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8857259) 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, 233067 + ... + 233104.

It is an arithmetic number, because the mean of its divisors is an integer number (2330860).

Almost surely, 2^8857249 is an apocalyptic number.

It is an amenable number.

8857249 is a deficient number, since it is larger than the sum of its proper divisors (466191).

8857249 is a wasteful number, since it uses less digits than its factorization.

8857249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466190.

The product of its digits is 161280, while the sum is 43.

The square root of 8857249 is about 2976.1130690886. The cubic root of 8857249 is about 206.9027603057.

The spelling of 8857249 in words is "eight million, eight hundred fifty-seven thousand, two hundred forty-nine".