2539896 has 16 divisors (see below), whose sum is σ = 6349800. Its totient is φ = 846624.

The previous prime is 2539871. The next prime is 2539951. The reversal of 2539896 is 6989352.

It is a d-powerful number, because it can be written as 2¹⁹ + 5⁹ + 3⁷ + 9³ + 8³ + 9⁵ + 6 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52891 + ... + 52938.

2^2539896 is an apocalyptic number.

It is an amenable number.

2539896 is an abundant number, since it is smaller than the sum of its proper divisors (3809904).

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

2539896 is a wasteful number, since it uses less digits than its factorization.

2539896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105838 (or 105834 counting only the distinct ones).

The product of its digits is 116640, while the sum is 42.

The square root of 2539896 is about 1593.7051170151. The cubic root of 2539896 is about 136.4390367653.

The spelling of 2539896 in words is "two million, five hundred thirty-nine thousand, eight hundred ninety-six".