2769940 has 12 divisors (see below), whose sum is σ = 5816916. Its totient is φ = 1107968.

The previous prime is 2769937. The next prime is 2769941. The reversal of 2769940 is 499672.

It can be written as a sum of positive squares in 2 ways, for example, as 404496 + 2365444 = 636^2 + 1538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2769940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2769941) by changing a digit.

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, 69229 + ... + 69268.

It is an arithmetic number, because the mean of its divisors is an integer number (484743).

2^2769940 is an apocalyptic number.

2769940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2769940 is an abundant number, since it is smaller than the sum of its proper divisors (3046976).

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

2769940 is a wasteful number, since it uses less digits than its factorization.

2769940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138506 (or 138504 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 2769940 is about 1664.3136723587. The cubic root of 2769940 is about 140.4397735818.

The spelling of 2769940 in words is "two million, seven hundred sixty-nine thousand, nine hundred forty".