2538987 has 16 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 1505120.

The previous prime is 2538983. The next prime is 2539049. The reversal of 2538987 is 7898352.

It is a cyclic number.

It is not a de Polignac number, because 2538987 - 2² = 2538983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2538983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733 + ... + 2369.

It is an arithmetic number, because the mean of its divisors is an integer number (235872).

2^2538987 is an apocalyptic number.

2538987 is a deficient number, since it is larger than the sum of its proper divisors (1234965).

2538987 is a wasteful number, since it uses less digits than its factorization.

2538987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698.

The product of its digits is 120960, while the sum is 42.

The square root of 2538987 is about 1593.4199069925. The cubic root of 2538987 is about 136.4227581614.

The spelling of 2538987 in words is "two million, five hundred thirty-eight thousand, nine hundred eighty-seven".