4899157 has 2 divisors, whose sum is σ = 4899158. Its totient is φ = 4899156.

The previous prime is 4899151. The next prime is 4899197. The reversal of 4899157 is 7519984.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4844401 + 54756 = 2201^2 + 234^2 .

It is a cyclic number.

It is not a de Polignac number, because 4899157 - 2³ = 4899149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4899151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2449578 + 2449579.

It is an arithmetic number, because the mean of its divisors is an integer number (2449579).

Almost surely, 2^4899157 is an apocalyptic number.

It is an amenable number.

4899157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4899157 is an equidigital number, since it uses as much as digits as its factorization.

4899157 is an evil number, because the sum of its binary digits is even.

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

The square root of 4899157 is about 2213.4039396369. The cubic root of 4899157 is about 169.8401842923.

The spelling of 4899157 in words is "four million, eight hundred ninety-nine thousand, one hundred fifty-seven".