3868919 has 8 divisors (see below), whose sum is σ = 4050000. Its totient is φ = 3691072.

The previous prime is 3868901. The next prime is 3868933. The reversal of 3868919 is 9198683.

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 3868919 - 2²⁰ = 2820343 is a prime.

It is a super-2 number, since 2×3868919² = 29937068457122, which contains 22 as substring.

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 3868919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868999) 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 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 3330.

It is an arithmetic number, because the mean of its divisors is an integer number (506250).

Almost surely, 2^3868919 is an apocalyptic number.

3868919 is a deficient number, since it is larger than the sum of its proper divisors (181081).

3868919 is a wasteful number, since it uses less digits than its factorization.

3868919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617.

The product of its digits is 93312, while the sum is 44.

The square root of 3868919 is about 1966.9567865106. The cubic root of 3868919 is about 156.9868272989.

The spelling of 3868919 in words is "three million, eight hundred sixty-eight thousand, nine hundred nineteen".