3865037 has 8 divisors (see below), whose sum is σ = 4438560. Its totient is φ = 3328560.

The previous prime is 3865019. The next prime is 3865063. The reversal of 3865037 is 7305683.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3865037 - 2⁸ = 3864781 is a prime.

It is a super-2 number, since 2×3865037² = 29877022022738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3864994 and 3865012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9038 + ... + 9455.

It is an arithmetic number, because the mean of its divisors is an integer number (554820).

Almost surely, 2^3865037 is an apocalyptic number.

It is an amenable number.

3865037 is a deficient number, since it is larger than the sum of its proper divisors (573523).

3865037 is a wasteful number, since it uses less digits than its factorization.

3865037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18523.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3865037 is about 1965.9697352706. The cubic root of 3865037 is about 156.9343038589.

The spelling of 3865037 in words is "three million, eight hundred sixty-five thousand, thirty-seven".