8994157 has 2 divisors, whose sum is σ = 8994158. Its totient is φ = 8994156.

The previous prime is 8994133. The next prime is 8994169. The reversal of 8994157 is 7514998.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8874441 + 119716 = 2979^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 8994157 - 2¹⁹ = 8469869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8994197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4497078 + 4497079.

It is an arithmetic number, because the mean of its divisors is an integer number (4497079).

Almost surely, 2^8994157 is an apocalyptic number.

It is an amenable number.

8994157 is a deficient number, since it is larger than the sum of its proper divisors (1).

8994157 is an equidigital number, since it uses as much as digits as its factorization.

8994157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The square root of 8994157 is about 2999.0260085568. The cubic root of 8994157 is about 207.9633580055.

It can be divided in two parts, 89941 and 57, that added together give a palindrome (89998).

The spelling of 8994157 in words is "eight million, nine hundred ninety-four thousand, one hundred fifty-seven".