3990037 has 2 divisors, whose sum is σ = 3990038. Its totient is φ = 3990036.

The previous prime is 3990031. The next prime is 3990047. The reversal of 3990037 is 7300993.

3990037 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2961841 + 1028196 = 1721^2 + 1014^2 .

It is a cyclic number.

It is not a de Polignac number, because 3990037 - 2³ = 3990029 is a prime.

It is a super-2 number, since 2×3990037² = 31840790522738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3989990 and 3990008.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3990031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1995018 + 1995019.

It is an arithmetic number, because the mean of its divisors is an integer number (1995019).

Almost surely, 2^3990037 is an apocalyptic number.

It is an amenable number.

3990037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3990037 is an equidigital number, since it uses as much as digits as its factorization.

3990037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 3990037 is about 1997.5076971066. The cubic root of 3990037 is about 158.6082016509.

The spelling of 3990037 in words is "three million, nine hundred ninety thousand, thirty-seven".