2785266 has 48 divisors (see below), whose sum is σ = 6840288. Its totient is φ = 842400.

The previous prime is 2785261. The next prime is 2785273. The reversal of 2785266 is 6625872.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2785266.

It is not an unprimeable number, because it can be changed into a prime (2785261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5086 + ... + 5606.

It is an arithmetic number, because the mean of its divisors is an integer number (142506).

2^2785266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2785266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3420144).

2785266 is an abundant number, since it is smaller than the sum of its proper divisors (4055022).

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

2785266 is a wasteful number, since it uses less digits than its factorization.

2785266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 537 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2785266 is about 1668.9116213868. The cubic root of 2785266 is about 140.6983137718.

Subtracting 2785266 from its reverse (6625872), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 2785266 in words is "two million, seven hundred eighty-five thousand, two hundred sixty-six".