2601789 has 4 divisors (see below), whose sum is σ = 3469056. Its totient is φ = 1734524.

The previous prime is 2601787. The next prime is 2601817. The reversal of 2601789 is 9871062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2601789 - 2¹ = 2601787 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433629 + ... + 433634.

It is an arithmetic number, because the mean of its divisors is an integer number (867264).

2^2601789 is an apocalyptic number.

It is an amenable number.

2601789 is a deficient number, since it is larger than the sum of its proper divisors (867267).

2601789 is an equidigital number, since it uses as much as digits as its factorization.

2601789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867266.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 2601789 is about 1613.0061996161. The cubic root of 2601789 is about 137.5384179151.

It can be divided in two parts, 26017 and 89, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 2601789 in words is "two million, six hundred one thousand, seven hundred eighty-nine".