2539916 has 6 divisors (see below), whose sum is σ = 4444860. Its totient is φ = 1269956.

The previous prime is 2539871. The next prime is 2539951. The reversal of 2539916 is 6199352.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317486 + ... + 317493.

It is an arithmetic number, because the mean of its divisors is an integer number (740810).

2^2539916 is an apocalyptic number.

It is an amenable number.

2539916 is a deficient number, since it is larger than the sum of its proper divisors (1904944).

2539916 is a wasteful number, since it uses less digits than its factorization.

2539916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634983 (or 634981 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 2539916 is about 1593.7113916892. The cubic root of 2539916 is about 136.4393948868.

The spelling of 2539916 in words is "two million, five hundred thirty-nine thousand, nine hundred sixteen".