2061789 has 8 divisors (see below), whose sum is σ = 2868672. Its totient is φ = 1314720.

The previous prime is 2061757. The next prime is 2061793. The reversal of 2061789 is 9871602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2061789 - 2⁵ = 2061757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061289) 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, 14872 + ... + 15009.

It is an arithmetic number, because the mean of its divisors is an integer number (358584).

2^2061789 is an apocalyptic number.

It is an amenable number.

2061789 is a deficient number, since it is larger than the sum of its proper divisors (806883).

2061789 is a wasteful number, since it uses less digits than its factorization.

2061789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29907.

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

The square root of 2061789 is about 1435.8931018707. The cubic root of 2061789 is about 127.2764556576.

It can be divided in two parts, 20617 and 89, that added together give a triangular number (20706 = T₂₀₃).

The spelling of 2061789 in words is "two million, sixty-one thousand, seven hundred eighty-nine".