3889424 has 90 divisors (see below), whose sum is σ = 9870462. Its totient is φ = 1478400.

The previous prime is 3889423. The next prime is 3889427. The reversal of 3889424 is 4249883.

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 1517824 = 1540^2 + 1232^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 94844 + ... + 94884.

Almost surely, 2^3889424 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 3889424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4935231).

3889424 is an abundant number, since it is smaller than the sum of its proper divisors (5981038).

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

3889424 is a wasteful number, since it uses less digits than its factorization.

3889424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 61 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 3889424 is about 1972.1622651293. The cubic root of 3889424 is about 157.2636785097.

The spelling of 3889424 in words is "three million, eight hundred eighty-nine thousand, four hundred twenty-four".