2040993 has 6 divisors (see below), whose sum is σ = 2948114. Its totient is φ = 1360656.

The previous prime is 2040989. The next prime is 2041001. The reversal of 2040993 is 3990402.

It can be written as a sum of positive squares in only one way, i.e., 1096209 + 944784 = 1047^2 + 972^2 .

It is not a de Polignac number, because 2040993 - 2² = 2040989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113380 + ... + 113397.

2^2040993 is an apocalyptic number.

It is an amenable number.

2040993 is a deficient number, since it is larger than the sum of its proper divisors (907121).

2040993 is a wasteful number, since it uses less digits than its factorization.

2040993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226783 (or 226780 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2040993 is about 1428.6332629475. The cubic root of 2040993 is about 126.8470889933.

It can be divided in two parts, 20409 and 93, that added together give a palindrome (20502).

The spelling of 2040993 in words is "two million, forty thousand, nine hundred ninety-three".