2697993 has 6 divisors (see below), whose sum is σ = 3897114. Its totient is φ = 1798656.

The previous prime is 2697991. The next prime is 2697997. The reversal of 2697993 is 3997962.

It can be written as a sum of positive squares in only one way, i.e., 1505529 + 1192464 = 1227^2 + 1092^2 .

It is not a de Polignac number, because 2697993 - 2¹ = 2697991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2697991) 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, 149880 + ... + 149897.

It is an arithmetic number, because the mean of its divisors is an integer number (649519).

2^2697993 is an apocalyptic number.

It is an amenable number.

2697993 is a deficient number, since it is larger than the sum of its proper divisors (1199121).

2697993 is a wasteful number, since it uses less digits than its factorization.

2697993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299783 (or 299780 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 2697993 is about 1642.5568483313. The cubic root of 2697993 is about 139.2131539789.

It can be divided in two parts, 26979 and 93, that added together give a palindrome (27072).

The spelling of 2697993 in words is "two million, six hundred ninety-seven thousand, nine hundred ninety-three".