3865299 has 8 divisors (see below), whose sum is σ = 5165712. Its totient is φ = 2570880.

The previous prime is 3865289. The next prime is 3865321. The reversal of 3865299 is 9925683.

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

It is not a de Polignac number, because 3865299 - 2⁴ = 3865283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3865299.

It is not an unprimeable number, because it can be changed into a prime (3865229) 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, 327 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (645714).

Almost surely, 2^3865299 is an apocalyptic number.

3865299 is a deficient number, since it is larger than the sum of its proper divisors (1300413).

3865299 is a wasteful number, since it uses less digits than its factorization.

3865299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997.

The product of its digits is 116640, while the sum is 42.

The square root of 3865299 is about 1966.0363679241. The cubic root of 3865299 is about 156.9378498240.

The spelling of 3865299 in words is "three million, eight hundred sixty-five thousand, two hundred ninety-nine".