2756393 has 4 divisors (see below), whose sum is σ = 2765568. Its totient is φ = 2747220.

The previous prime is 2756381. The next prime is 2756401. The reversal of 2756393 is 3936572.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2756393 - 2¹⁰ = 2755369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2756693) 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, 4121 + ... + 4742.

It is an arithmetic number, because the mean of its divisors is an integer number (691392).

2^2756393 is an apocalyptic number.

It is an amenable number.

2756393 is a deficient number, since it is larger than the sum of its proper divisors (9175).

2756393 is an equidigital number, since it uses as much as digits as its factorization.

2756393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9174.

The product of its digits is 34020, while the sum is 35.

The square root of 2756393 is about 1660.2388382398. The cubic root of 2756393 is about 140.2104487998.

The spelling of 2756393 in words is "two million, seven hundred fifty-six thousand, three hundred ninety-three".