4156937 has 2 divisors, whose sum is σ = 4156938. Its totient is φ = 4156936.

The previous prime is 4156921. The next prime is 4156969. The reversal of 4156937 is 7396514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3644281 + 512656 = 1909^2 + 716^2 .

It is a cyclic number.

It is not a de Polignac number, because 4156937 - 2⁴ = 4156921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4156897 and 4156906.

It is not a weakly prime, because it can be changed into another prime (4156907) 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, 2078468 + 2078469.

It is an arithmetic number, because the mean of its divisors is an integer number (2078469).

Almost surely, 2^4156937 is an apocalyptic number.

It is an amenable number.

4156937 is a deficient number, since it is larger than the sum of its proper divisors (1).

4156937 is an equidigital number, since it uses as much as digits as its factorization.

4156937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 4156937 is about 2038.8567875160. The cubic root of 4156937 is about 160.7895479498.

The spelling of 4156937 in words is "four million, one hundred fifty-six thousand, nine hundred thirty-seven".