3850129 has 2 divisors, whose sum is σ = 3850130. Its totient is φ = 3850128.

The previous prime is 3850081. The next prime is 3850151. The reversal of 3850129 is 9210583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2715904 + 1134225 = 1648^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 3850129 - 2⁹ = 3849617 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 3850097 and 3850106.

It is not a weakly prime, because it can be changed into another prime (3850159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1925064 + 1925065.

It is an arithmetic number, because the mean of its divisors is an integer number (1925065).

Almost surely, 2^3850129 is an apocalyptic number.

It is an amenable number.

3850129 is a deficient number, since it is larger than the sum of its proper divisors (1).

3850129 is an equidigital number, since it uses as much as digits as its factorization.

3850129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 3850129 is about 1962.1745590034. The cubic root of 3850129 is about 156.7322712012.

The spelling of 3850129 in words is "three million, eight hundred fifty thousand, one hundred twenty-nine".