2539956 has 12 divisors (see below), whose sum is σ = 5926592. Its totient is φ = 846648.

The previous prime is 2539951. The next prime is 2539961. The reversal of 2539956 is 6599352.

It is an interprime number because it is at equal distance from previous prime (2539951) and next prime (2539961).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105820 + ... + 105843.

2^2539956 is an apocalyptic number.

It is an amenable number.

2539956 is an abundant number, since it is smaller than the sum of its proper divisors (3386636).

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

2539956 is a wasteful number, since it uses less digits than its factorization.

2539956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211670 (or 211668 counting only the distinct ones).

The product of its digits is 72900, while the sum is 39.

The square root of 2539956 is about 1593.7239409634. The cubic root of 2539956 is about 136.4401111240.

The spelling of 2539956 in words is "two million, five hundred thirty-nine thousand, nine hundred fifty-six".