2780052 has 24 divisors (see below), whose sum is σ = 7076832. Its totient is φ = 842400.

The previous prime is 2780047. The next prime is 2780053. The reversal of 2780052 is 2500872.

2780052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780053) 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 7 ways as a sum of consecutive naturals, for example, 10399 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (294868).

2^2780052 is an apocalyptic number.

2780052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2780052 is an abundant number, since it is smaller than the sum of its proper divisors (4296780).

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

2780052 is a wasteful number, since it uses less digits than its factorization.

2780052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21079 (or 21077 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2780052 is about 1667.3487937441. The cubic root of 2780052 is about 140.6104634851.

The spelling of 2780052 in words is "two million, seven hundred eighty thousand, fifty-two".