3873915 has 24 divisors (see below), whose sum is σ = 6933888. Its totient is φ = 1998720.

The previous prime is 3873911. The next prime is 3873931. The reversal of 3873915 is 5193783.

It is not a de Polignac number, because 3873915 - 2² = 3873911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3873915.

It is not an unprimeable number, because it can be changed into a prime (3873911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (288912).

Almost surely, 2^3873915 is an apocalyptic number.

3873915 is a deficient number, since it is larger than the sum of its proper divisors (3059973).

3873915 is a wasteful number, since it uses less digits than its factorization.

3873915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819 (or 2816 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3873915 is about 1968.2263589333. The cubic root of 3873915 is about 157.0543714747.

The spelling of 3873915 in words is "three million, eight hundred seventy-three thousand, nine hundred fifteen".