3951888 has 80 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 1189888.

The previous prime is 3951887. The next prime is 3951907. The reversal of 3951888 is 8881593.

It is not an unprimeable number, because it can be changed into a prime (3951881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23581 + ... + 23747.

It is an arithmetic number, because the mean of its divisors is an integer number (140616).

Almost surely, 2^3951888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3951888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5624640).

3951888 is an abundant number, since it is smaller than the sum of its proper divisors (7297392).

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

3951888 is a wasteful number, since it uses less digits than its factorization.

3951888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 218 counting only the distinct ones).

The product of its digits is 69120, while the sum is 42.

The square root of 3951888 is about 1987.9356126394. The cubic root of 3951888 is about 158.1010943046.

The spelling of 3951888 in words is "three million, nine hundred fifty-one thousand, eight hundred eighty-eight".