2539732 has 36 divisors (see below), whose sum is σ = 5114620. Its totient is φ = 1103232.

The previous prime is 2539699. The next prime is 2539753. The reversal of 2539732 is 2379352.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 1012036 + 1527696 = 1006^2 + 1236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2539694 and 2539703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149388 + ... + 149404.

2^2539732 is an apocalyptic number.

It is an amenable number.

2539732 is an abundant number, since it is smaller than the sum of its proper divisors (2574888).

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

2539732 is a wasteful number, since it uses less digits than its factorization.

2539732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 32 counting only the distinct ones).

The product of its digits is 11340, while the sum is 31.

The square root of 2539732 is about 1593.6536637551. The cubic root of 2539732 is about 136.4361000987.

The spelling of 2539732 in words is "two million, five hundred thirty-nine thousand, seven hundred thirty-two".