2775942 has 24 divisors (see below), whose sum is σ = 6477744. Its totient is φ = 854064.

The previous prime is 2775931. The next prime is 2775943. The reversal of 2775942 is 2495772.

2775942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2775897 and 2775906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775943) 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 11 ways as a sum of consecutive naturals, for example, 5698 + ... + 6165.

It is an arithmetic number, because the mean of its divisors is an integer number (269906).

2^2775942 is an apocalyptic number.

2775942 is an abundant number, since it is smaller than the sum of its proper divisors (3701802).

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

2775942 is a wasteful number, since it uses less digits than its factorization.

2775942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11884 (or 11881 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2775942 is about 1666.1158423111. The cubic root of 2775942 is about 140.5411369604.

The spelling of 2775942 in words is "two million, seven hundred seventy-five thousand, nine hundred forty-two".