2780364 has 24 divisors (see below), whose sum is σ = 6522880. Its totient is φ = 921744.

The previous prime is 2780357. The next prime is 2780369. The reversal of 2780364 is 4630872.

2780364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2780369) 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, 2157 + ... + 3195.

2^2780364 is an apocalyptic number.

It is an amenable number.

2780364 is an abundant number, since it is smaller than the sum of its proper divisors (3742516).

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

2780364 is a wasteful number, since it uses less digits than its factorization.

2780364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1267 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2780364 is about 1667.4423528266. The cubic root of 2780364 is about 140.6157234375.

The spelling of 2780364 in words is "two million, seven hundred eighty thousand, three hundred sixty-four".