2687388 has 24 divisors (see below), whose sum is σ = 6840960. Its totient is φ = 814320.

The previous prime is 2687383. The next prime is 2687393. The reversal of 2687388 is 8837862.

It is an interprime number because it is at equal distance from previous prime (2687383) and next prime (2687393).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2687383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10048 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (285040).

2^2687388 is an apocalyptic number.

It is an amenable number.

2687388 is an abundant number, since it is smaller than the sum of its proper divisors (4153572).

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

2687388 is a wasteful number, since it uses less digits than its factorization.

2687388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20377 (or 20375 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 2687388 is about 1639.3254710398. The cubic root of 2687388 is about 139.0305127708.

The spelling of 2687388 in words is "two million, six hundred eighty-seven thousand, three hundred eighty-eight".