2764243 has 4 divisors (see below), whose sum is σ = 2803248. Its totient is φ = 2725240.

The previous prime is 2764213. The next prime is 2764247. The reversal of 2764243 is 3424672.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2764243 - 2²¹ = 667091 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 (2764247) 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, 19396 + ... + 19537.

It is an arithmetic number, because the mean of its divisors is an integer number (700812).

2^2764243 is an apocalyptic number.

2764243 is a deficient number, since it is larger than the sum of its proper divisors (39005).

2764243 is an equidigital number, since it uses as much as digits as its factorization.

2764243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39004.

The product of its digits is 8064, while the sum is 28.

The square root of 2764243 is about 1662.6012751108. The cubic root of 2764243 is about 140.3434255820.

The spelling of 2764243 in words is "two million, seven hundred sixty-four thousand, two hundred forty-three".