2755788 has 48 divisors (see below), whose sum is σ = 7499520. Its totient is φ = 771264.

The previous prime is 2755769. The next prime is 2755789. The reversal of 2755788 is 8875572.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2755789) 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, 4143 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (156240).

2^2755788 is an apocalyptic number.

2755788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3749760).

2755788 is an abundant number, since it is smaller than the sum of its proper divisors (4743732).

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

2755788 is a wasteful number, since it uses less digits than its factorization.

2755788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 684 counting only the distinct ones).

The product of its digits is 156800, while the sum is 42.

The square root of 2755788 is about 1660.0566255402. The cubic root of 2755788 is about 140.2001897972.

The spelling of 2755788 in words is "two million, seven hundred fifty-five thousand, seven hundred eighty-eight".