8939157 has 8 divisors (see below), whose sum is σ = 12437184. Its totient is φ = 5700288.

The previous prime is 8939131. The next prime is 8939159. The reversal of 8939157 is 7519398.

It is a happy number.

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

It is not a de Polignac number, because 8939157 - 2⁸ = 8938901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8939159) 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, 64708 + ... + 64845.

It is an arithmetic number, because the mean of its divisors is an integer number (1554648).

Almost surely, 2^8939157 is an apocalyptic number.

It is an amenable number.

8939157 is a deficient number, since it is larger than the sum of its proper divisors (3498027).

8939157 is a wasteful number, since it uses less digits than its factorization.

8939157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129579.

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

The square root of 8939157 is about 2989.8423035337. The cubic root of 8939157 is about 207.5385867176.

The spelling of 8939157 in words is "eight million, nine hundred thirty-nine thousand, one hundred fifty-seven".