2139488 has 48 divisors (see below), whose sum is σ = 4692240. Its totient is φ = 953856.

The previous prime is 2139481. The next prime is 2139493. The reversal of 2139488 is 8849312.

It is a happy number.

2139488 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2139481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15323 + ... + 15461.

It is an arithmetic number, because the mean of its divisors is an integer number (97755).

2^2139488 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 2139488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346120).

2139488 is an abundant number, since it is smaller than the sum of its proper divisors (2552752).

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

2139488 is a wasteful number, since it uses less digits than its factorization.

2139488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 2139488 is about 1462.6988753670. The cubic root of 2139488 is about 128.8555962807.

The spelling of 2139488 in words is "two million, one hundred thirty-nine thousand, four hundred eighty-eight".