8440037 has 2 divisors, whose sum is σ = 8440038. Its totient is φ = 8440036.

The previous prime is 8440031. The next prime is 8440043. The reversal of 8440037 is 7300448.

It is a balanced prime because it is at equal distance from previous prime (8440031) and next prime (8440043).

It can be written as a sum of positive squares in only one way, i.e., 8300161 + 139876 = 2881^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 8440037 - 2¹² = 8435941 is a prime.

It is a super-2 number, since 2×8440037² = 142468449122738, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 8439988 and 8440015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8440031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4220018 + 4220019.

It is an arithmetic number, because the mean of its divisors is an integer number (4220019).

Almost surely, 2^8440037 is an apocalyptic number.

It is an amenable number.

8440037 is a deficient number, since it is larger than the sum of its proper divisors (1).

8440037 is an equidigital number, since it uses as much as digits as its factorization.

8440037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 8440037 is about 2905.1741772224. The cubic root of 8440037 is about 203.6017235776.

The spelling of 8440037 in words is "eight million, four hundred forty thousand, thirty-seven".