3868915 has 8 divisors (see below), whose sum is σ = 4712400. Its totient is φ = 3048672.

The previous prime is 3868901. The next prime is 3868933. The reversal of 3868915 is 5198683.

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 3868915 - 2¹¹ = 3866867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5440 + ... + 6109.

It is an arithmetic number, because the mean of its divisors is an integer number (589050).

Almost surely, 2^3868915 is an apocalyptic number.

3868915 is a deficient number, since it is larger than the sum of its proper divisors (843485).

3868915 is a wasteful number, since it uses less digits than its factorization.

3868915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11621.

The product of its digits is 51840, while the sum is 40.

The square root of 3868915 is about 1966.9557697112. The cubic root of 3868915 is about 156.9867731970.

The spelling of 3868915 in words is "three million, eight hundred sixty-eight thousand, nine hundred fifteen".