4090837 has 2 divisors, whose sum is σ = 4090838. Its totient is φ = 4090836.

The previous prime is 4090813. The next prime is 4090841. The reversal of 4090837 is 7380904.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4036081 + 54756 = 2009^2 + 234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4090837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4090799 and 4090808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4090237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045418 + 2045419.

It is an arithmetic number, because the mean of its divisors is an integer number (2045419).

Almost surely, 2^4090837 is an apocalyptic number.

It is an amenable number.

4090837 is a deficient number, since it is larger than the sum of its proper divisors (1).

4090837 is an equidigital number, since it uses as much as digits as its factorization.

4090837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 4090837 is about 2022.5817659615. The cubic root of 4090837 is about 159.9327451714.

The spelling of 4090837 in words is "four million, ninety thousand, eight hundred thirty-seven".