3888444 has 72 divisors (see below), whose sum is σ = 11203920. Its totient is φ = 1042944.

The previous prime is 3888431. The next prime is 3888463. The reversal of 3888444 is 4448883.

It is a super-2 number, since 2×3888444² = 30239993482272, which contains 22 as substring.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9802 + ... + 10190.

It is an arithmetic number, because the mean of its divisors is an integer number (155610).

Almost surely, 2^3888444 is an apocalyptic number.

3888444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3888444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5601960).

3888444 is an abundant number, since it is smaller than the sum of its proper divisors (7315476).

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

3888444 is a wasteful number, since it uses less digits than its factorization.

3888444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 418 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 3888444 is about 1971.9137912191. The cubic root of 3888444 is about 157.2504690686.

The spelling of 3888444 in words is "three million, eight hundred eighty-eight thousand, four hundred forty-four".