2780852 has 12 divisors (see below), whose sum is σ = 4892580. Its totient is φ = 1382976.

The previous prime is 2780837. The next prime is 2780873. The reversal of 2780852 is 2580872.

It can be written as a sum of positive squares in 2 ways, for example, as 1623076 + 1157776 = 1274^2 + 1076^2 .

It is a d-powerful number, because it can be written as 2⁴ + 7⁷ + 8 + 0 + 8² + 5⁹ + 2¹² .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 977 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (407715).

2^2780852 is an apocalyptic number.

It is an amenable number.

2780852 is a deficient number, since it is larger than the sum of its proper divisors (2111728).

2780852 is a wasteful number, since it uses less digits than its factorization.

2780852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2780852 is about 1667.5886783017. The cubic root of 2780852 is about 140.6239497535.

The spelling of 2780852 in words is "two million, seven hundred eighty thousand, eight hundred fifty-two".