2039693 has 4 divisors (see below), whose sum is σ = 2067708. Its totient is φ = 2011680.

The previous prime is 2039671. The next prime is 2039731. The reversal of 2039693 is 3969302.

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 1075369 + 964324 = 1037^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 2039693 - 2⁶ = 2039629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2039603) 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, 13898 + ... + 14043.

It is an arithmetic number, because the mean of its divisors is an integer number (516927).

2^2039693 is an apocalyptic number.

It is an amenable number.

2039693 is a deficient number, since it is larger than the sum of its proper divisors (28015).

2039693 is an equidigital number, since it uses as much as digits as its factorization.

2039693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28014.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 2039693 is about 1428.1782101685. The cubic root of 2039693 is about 126.8201517395.

The spelling of 2039693 in words is "two million, thirty-nine thousand, six hundred ninety-three".