2765798 has 16 divisors (see below), whose sum is σ = 5020704. Its totient is φ = 1115520.

The previous prime is 2765797. The next prime is 2765813. The reversal of 2765798 is 8975672.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁵ + 6³ + 5⁵ + 7⁶ + 9⁴ + 8⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2765797) 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, 5573 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (313794).

2^2765798 is an apocalyptic number.

2765798 is a deficient number, since it is larger than the sum of its proper divisors (2254906).

2765798 is a wasteful number, since it uses less digits than its factorization.

2765798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11647.

The product of its digits is 211680, while the sum is 44.

The square root of 2765798 is about 1663.0688500480. The cubic root of 2765798 is about 140.3697369588.

The spelling of 2765798 in words is "two million, seven hundred sixty-five thousand, seven hundred ninety-eight".