3888939 has 8 divisors (see below), whose sum is σ = 5458240. Its totient is φ = 2456136.

The previous prime is 3888931. The next prime is 3888967. The reversal of 3888939 is 9398883.

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

It is not a de Polignac number, because 3888939 - 2³ = 3888931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3888931) 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, 34057 + ... + 34170.

It is an arithmetic number, because the mean of its divisors is an integer number (682280).

Almost surely, 2^3888939 is an apocalyptic number.

3888939 is a deficient number, since it is larger than the sum of its proper divisors (1569301).

3888939 is a wasteful number, since it uses less digits than its factorization.

3888939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68249.

The product of its digits is 373248, while the sum is 48.

The square root of 3888939 is about 1972.0392998112. The cubic root of 3888939 is about 157.2571414616.

The spelling of 3888939 in words is "three million, eight hundred eighty-eight thousand, nine hundred thirty-nine".