4090237 has 2 divisors, whose sum is σ = 4090238. Its totient is φ = 4090236.

The previous prime is 4090223. The next prime is 4090241. The reversal of 4090237 is 7320904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2893401 + 1196836 = 1701^2 + 1094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4090237 is a prime.

4090237 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4090267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045118 + 2045119.

It is an arithmetic number, because the mean of its divisors is an integer number (2045119).

Almost surely, 2^4090237 is an apocalyptic number.

It is an amenable number.

4090237 is a deficient number, since it is larger than the sum of its proper divisors (1).

4090237 is an equidigital number, since it uses as much as digits as its factorization.

4090237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 4090237 is about 2022.4334352458. The cubic root of 4090237 is about 159.9249257171.

The spelling of 4090237 in words is "four million, ninety thousand, two hundred thirty-seven".