2079765 has 24 divisors (see below), whose sum is σ = 3645720. Its totient is φ = 1096704.

The previous prime is 2079761. The next prime is 2079769. The reversal of 2079765 is 5679702.

It is an interprime number because it is at equal distance from previous prime (2079761) and next prime (2079769).

It can be written as a sum of positive squares in 4 ways, for example, as 116964 + 1962801 = 342^2 + 1401^2 .

It is not a de Polignac number, because 2079765 - 2² = 2079761 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2079761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4881 + ... + 5289.

It is an arithmetic number, because the mean of its divisors is an integer number (151905).

2^2079765 is an apocalyptic number.

It is an amenable number.

2079765 is a deficient number, since it is larger than the sum of its proper divisors (1565955).

2079765 is a wasteful number, since it uses less digits than its factorization.

2079765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 2079765 is about 1442.1390362930. The cubic root of 2079765 is about 127.6452784612.

The spelling of 2079765 in words is "two million, seventy-nine thousand, seven hundred sixty-five".