2539900 has 36 divisors (see below), whose sum is σ = 6015240. Its totient is φ = 923200.

The previous prime is 2539871. The next prime is 2539951. The reversal of 2539900 is 99352.

2539900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 55 + ... + 2254.

It is an arithmetic number, because the mean of its divisors is an integer number (167090).

2^2539900 is an apocalyptic number.

2539900 is a gapful number since it is divisible by the number (20) 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 2539900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3007620).

2539900 is an abundant number, since it is smaller than the sum of its proper divisors (3475340).

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

2539900 is a wasteful number, since it uses less digits than its factorization.

2539900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 2539900 is about 1593.7063719519. The cubic root of 2539900 is about 136.4391083898.

It can be divided in two parts, 253 and 9900, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 2539900 in words is "two million, five hundred thirty-nine thousand, nine hundred".