2840625 has 36 divisors (see below), whose sum is σ = 5179356. Its totient is φ = 1500000.

The previous prime is 2840549. The next prime is 2840627. The reversal of 2840625 is 5260482.

It can be written as a sum of positive squares in 6 ways, for example, as 1595169 + 1245456 = 1263^2 + 1116^2 .

It is not a de Polignac number, because 2840625 - 2⁹ = 2840113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840627) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28075 + ... + 28175.

It is an arithmetic number, because the mean of its divisors is an integer number (143871).

2^2840625 is an apocalyptic number.

2840625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2840625 is a deficient number, since it is larger than the sum of its proper divisors (2338731).

2840625 is an equidigital number, since it uses as much as digits as its factorization.

2840625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2840625 is about 1685.4153790683. The cubic root of 2840625 is about 141.6243626088.

The spelling of 2840625 in words is "two million, eight hundred forty thousand, six hundred twenty-five".