2749693 has 8 divisors (see below), whose sum is σ = 2899800. Its totient is φ = 2603328.

The previous prime is 2749687. The next prime is 2749709. The reversal of 2749693 is 3969472.

It can be written as a sum of positive squares in 4 ways, for example, as 1397124 + 1352569 = 1182^2 + 1163^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2749693 - 2²¹ = 652541 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 (2749093) 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, 643 + ... + 2431.

It is an arithmetic number, because the mean of its divisors is an integer number (362475).

2^2749693 is an apocalyptic number.

It is an amenable number.

2749693 is a deficient number, since it is larger than the sum of its proper divisors (150107).

2749693 is a wasteful number, since it uses less digits than its factorization.

2749693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1871.

The product of its digits is 81648, while the sum is 40.

The square root of 2749693 is about 1658.2198286114. The cubic root of 2749693 is about 140.0967528474.

The spelling of 2749693 in words is "two million, seven hundred forty-nine thousand, six hundred ninety-three".