3866513 has 8 divisors (see below), whose sum is σ = 4432128. Its totient is φ = 3304224.

The previous prime is 3866479. The next prime is 3866543. The reversal of 3866513 is 3156683.

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

It is not a de Polignac number, because 3866513 - 2¹⁴ = 3850129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3866513.

It is not an unprimeable number, because it can be changed into a prime (3866543) 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, 2645 + ... + 3837.

It is an arithmetic number, because the mean of its divisors is an integer number (554016).

Almost surely, 2^3866513 is an apocalyptic number.

It is an amenable number.

3866513 is a deficient number, since it is larger than the sum of its proper divisors (565615).

3866513 is a wasteful number, since it uses less digits than its factorization.

3866513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its digits is 12960, while the sum is 32.

The square root of 3866513 is about 1966.3450867027. The cubic root of 3866513 is about 156.9542782734.

The spelling of 3866513 in words is "three million, eight hundred sixty-six thousand, five hundred thirteen".