2501886 has 16 divisors (see below), whose sum is σ = 5165568. Its totient is φ = 807000.

The previous prime is 2501881. The next prime is 2501897. The reversal of 2501886 is 6881052.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6540 + ... + 6911.

It is an arithmetic number, because the mean of its divisors is an integer number (322848).

2^2501886 is an apocalyptic number.

2501886 is an abundant number, since it is smaller than the sum of its proper divisors (2663682).

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

2501886 is a wasteful number, since it uses less digits than its factorization.

2501886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13487.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 2501886 is about 1581.7351232112. The cubic root of 2501886 is about 135.7550015285.

The spelling of 2501886 in words is "two million, five hundred one thousand, eight hundred eighty-six".