2887388 has 24 divisors (see below), whose sum is σ = 5837664. Its totient is φ = 1224000.

The previous prime is 2887363. The next prime is 2887439. The reversal of 2887388 is 8837882.

2887388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2318 + ... + 3338.

It is an arithmetic number, because the mean of its divisors is an integer number (243236).

2^2887388 is an apocalyptic number.

2887388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2887388 is an abundant number, since it is smaller than the sum of its proper divisors (2950276).

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

2887388 is a wasteful number, since it uses less digits than its factorization.

2887388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133 (or 1131 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 2887388 is about 1699.2315910434. The cubic root of 2887388 is about 142.3972872227.

The spelling of 2887388 in words is "two million, eight hundred eighty-seven thousand, three hundred eighty-eight".