2755998 has 64 divisors (see below), whose sum is σ = 7326720. Its totient is φ = 750816.

The previous prime is 2755997. The next prime is 2756009. The reversal of 2755998 is 8995572.

It is a happy number.

2755998 is a `hidden beast` number, since 2 + 7 + 559 + 98 = 666.

2755998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755997) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8536 + ... + 8852.

It is an arithmetic number, because the mean of its divisors is an integer number (114480).

2^2755998 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2755998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3663360).

2755998 is an abundant number, since it is smaller than the sum of its proper divisors (4570722).

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

2755998 is a wasteful number, since it uses less digits than its factorization.

2755998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 352 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 2755998 is about 1660.1198751897. The cubic root of 2755998 is about 140.2037509434.

The spelling of 2755998 in words is "two million, seven hundred fifty-five thousand, nine hundred ninety-eight".