3868537 has 4 divisors (see below), whose sum is σ = 4096116. Its totient is φ = 3640960.

The previous prime is 3868517. The next prime is 3868541. The reversal of 3868537 is 7358683.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7358683 = 151 ⋅48733.

It can be written as a sum of positive squares in 2 ways, for example, as 3444736 + 423801 = 1856^2 + 651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3868537 is a prime.

3868537 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3868537.

It is not an unprimeable number, because it can be changed into a prime (3868517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113764 + ... + 113797.

It is an arithmetic number, because the mean of its divisors is an integer number (1024029).

Almost surely, 2^3868537 is an apocalyptic number.

It is an amenable number.

3868537 is a deficient number, since it is larger than the sum of its proper divisors (227579).

3868537 is a wasteful number, since it uses less digits than its factorization.

3868537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227578.

The product of its digits is 120960, while the sum is 40.

The square root of 3868537 is about 1966.8596797942. The cubic root of 3868537 is about 156.9816603999.

The spelling of 3868537 in words is "three million, eight hundred sixty-eight thousand, five hundred thirty-seven".