3888815 has 8 divisors (see below), whose sum is σ = 5333280. Its totient is φ = 2666592.

The previous prime is 3888763. The next prime is 3888823. The reversal of 3888815 is 5188883.

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 3888815 - 2²⁰ = 2840239 is a prime.

It is a congruent number.

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, 55520 + ... + 55589.

It is an arithmetic number, because the mean of its divisors is an integer number (666660).

Almost surely, 2^3888815 is an apocalyptic number.

3888815 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3888815 is a deficient number, since it is larger than the sum of its proper divisors (1444465).

3888815 is a wasteful number, since it uses less digits than its factorization.

3888815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111121.

The product of its digits is 61440, while the sum is 41.

The square root of 3888815 is about 1972.0078600249. The cubic root of 3888815 is about 157.2554700466.

The spelling of 3888815 in words is "three million, eight hundred eighty-eight thousand, eight hundred fifteen".