2840725 has 12 divisors (see below), whose sum is σ = 3546400. Its totient is φ = 2257200.

The previous prime is 2840723. The next prime is 2840731. The reversal of 2840725 is 5270482.

2840725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2840725 - 2¹ = 2840723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2840693 and 2840702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840723) 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 11 ways as a sum of consecutive naturals, for example, 4690 + ... + 5260.

2^2840725 is an apocalyptic number.

2840725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2840725 is a deficient number, since it is larger than the sum of its proper divisors (705675).

2840725 is a wasteful number, since it uses less digits than its factorization.

2840725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 775 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2840725 is about 1685.4450450845. The cubic root of 2840725 is about 141.6260244814.

The spelling of 2840725 in words is "two million, eight hundred forty thousand, seven hundred twenty-five".