4089157 has 2 divisors, whose sum is σ = 4089158. Its totient is φ = 4089156.

The previous prime is 4089149. The next prime is 4089167. The reversal of 4089157 is 7519804.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3101121 + 988036 = 1761^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 4089157 - 2³ = 4089149 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4089167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2044578 + 2044579.

It is an arithmetic number, because the mean of its divisors is an integer number (2044579).

Almost surely, 2^4089157 is an apocalyptic number.

It is an amenable number.

4089157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4089157 is an equidigital number, since it uses as much as digits as its factorization.

4089157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 4089157 is about 2022.1664125388. The cubic root of 4089157 is about 159.9108487721.

The spelling of 4089157 in words is "four million, eighty-nine thousand, one hundred fifty-seven".