2785888 has 24 divisors (see below), whose sum is σ = 6268752. Its totient is φ = 1193856.

The previous prime is 2785879. The next prime is 2785891. The reversal of 2785888 is 8885872.

It is a super-2 number, since 2×2785888² = 15522343897088, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2² + 7⁷ + 8³ + 5⁹ + 8³ + 8⁴ + 8⁴ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5995 + ... + 6442.

It is an arithmetic number, because the mean of its divisors is an integer number (261198).

2^2785888 is an apocalyptic number.

2785888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2785888 is an abundant number, since it is smaller than the sum of its proper divisors (3482864).

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

2785888 is a wasteful number, since it uses less digits than its factorization.

2785888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12454 (or 12446 counting only the distinct ones).

The product of its digits is 286720, while the sum is 46.

The square root of 2785888 is about 1669.0979599772. The cubic root of 2785888 is about 140.7087864804.

The spelling of 2785888 in words is "two million, seven hundred eighty-five thousand, eight hundred eighty-eight".