3933144 has 64 divisors (see below), whose sum is σ = 11088000. Its totient is φ = 1291680.

The previous prime is 3933143. The next prime is 3933151. The reversal of 3933144 is 4413393.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3933143) 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, 28227 + ... + 28365.

It is an arithmetic number, because the mean of its divisors is an integer number (173250).

Almost surely, 2^3933144 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 3933144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5544000).

3933144 is an abundant number, since it is smaller than the sum of its proper divisors (7154856).

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

3933144 is a wasteful number, since it uses less digits than its factorization.

3933144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 275 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3933144 is about 1983.2155707335. The cubic root of 3933144 is about 157.8507376350.

Subtracting 3933144 from its reverse (4413393), we obtain a square (480249 = 693²).

The spelling of 3933144 in words is "three million, nine hundred thirty-three thousand, one hundred forty-four".