3889240 has 16 divisors (see below), whose sum is σ = 8750880. Its totient is φ = 1555680.

The previous prime is 3889217. The next prime is 3889241. The reversal of 3889240 is 429883.

3889240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3889196 and 3889205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3889241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48576 + ... + 48655.

It is an arithmetic number, because the mean of its divisors is an integer number (546930).

Almost surely, 2^3889240 is an apocalyptic number.

It is an amenable number.

3889240 is an abundant number, since it is smaller than the sum of its proper divisors (4861640).

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

3889240 is a wasteful number, since it uses less digits than its factorization.

3889240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97242 (or 97238 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 3889240 is about 1972.1156152721. The cubic root of 3889240 is about 157.2611985389.

The spelling of 3889240 in words is "three million, eight hundred eighty-nine thousand, two hundred forty".