2773988 has 18 divisors (see below), whose sum is σ = 5647446. Its totient is φ = 1188768.

The previous prime is 2773949. The next prime is 2773997. The reversal of 2773988 is 8893772.

It is a happy number.

2773988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2244004 + 529984 = 1498^2 + 728^2 .

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 5 ways as a sum of consecutive naturals, for example, 6881 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (313747).

2^2773988 is an apocalyptic number.

2773988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2773988 is an abundant number, since it is smaller than the sum of its proper divisors (2873458).

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

2773988 is a wasteful number, since it uses less digits than its factorization.

2773988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14171 (or 14162 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 2773988 is about 1665.5293452834. The cubic root of 2773988 is about 140.5081533412.

The spelling of 2773988 in words is "two million, seven hundred seventy-three thousand, nine hundred eighty-eight".