3888906 has 16 divisors (see below), whose sum is σ = 8889024. Its totient is φ = 1111104.

The previous prime is 3888893. The next prime is 3888917. The reversal of 3888906 is 6098883.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 92593 = 3888906 / (3 + 8 + 8 + 8 + 9 + 0 + 6).

It is a Curzon 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, 46255 + ... + 46338.

It is an arithmetic number, because the mean of its divisors is an integer number (555564).

Almost surely, 2^3888906 is an apocalyptic number.

3888906 is an abundant number, since it is smaller than the sum of its proper divisors (5000118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3888906 is a wasteful number, since it uses less digits than its factorization.

3888906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92605.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 3888906 is about 1972.0309328203. The cubic root of 3888906 is about 157.2566966530.

The spelling of 3888906 in words is "three million, eight hundred eighty-eight thousand, nine hundred six".