2780352 has 56 divisors (see below), whose sum is σ = 8178800. Its totient is φ = 926208.

The previous prime is 2780339. The next prime is 2780353. The reversal of 2780352 is 2530872.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2780353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924 + ... + 2532.

It is an arithmetic number, because the mean of its divisors is an integer number (146050).

2^2780352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2780352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4089400).

2780352 is an abundant number, since it is smaller than the sum of its proper divisors (5398448).

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

2780352 is a wasteful number, since it uses less digits than its factorization.

2780352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2780352 is about 1667.4387544974. The cubic root of 2780352 is about 140.6155211389.

The spelling of 2780352 in words is "two million, seven hundred eighty thousand, three hundred fifty-two".