2093689 has 4 divisors (see below), whose sum is σ = 2254756. Its totient is φ = 1932624.

The previous prime is 2093653. The next prime is 2093699. The reversal of 2093689 is 9863902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 810000 + 1283689 = 900^2 + 1133^2 .

It is a cyclic number.

It is not a de Polignac number, because 2093689 - 2¹⁵ = 2060921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2093639) 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, 80514 + ... + 80539.

It is an arithmetic number, because the mean of its divisors is an integer number (563689).

2^2093689 is an apocalyptic number.

It is an amenable number.

2093689 is a deficient number, since it is larger than the sum of its proper divisors (161067).

2093689 is a wasteful number, since it uses less digits than its factorization.

2093689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161066.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2093689 is about 1446.9585343057. The cubic root of 2093689 is about 127.9295062686.

It can be divided in two parts, 20936 and 89, that added together give a square (21025 = 145²).

The spelling of 2093689 in words is "two million, ninety-three thousand, six hundred eighty-nine".