2764231 has 4 divisors (see below), whose sum is σ = 2785464. Its totient is φ = 2743000.

The previous prime is 2764213. The next prime is 2764247. The reversal of 2764231 is 1324672.

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 2764231 - 2⁵ = 2764199 is a prime.

It is a super-2 number, since 2×2764231² = 15281946042722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2764196 and 2764205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2764271) 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, 10420 + ... + 10681.

It is an arithmetic number, because the mean of its divisors is an integer number (696366).

2^2764231 is an apocalyptic number.

2764231 is a deficient number, since it is larger than the sum of its proper divisors (21233).

2764231 is a wasteful number, since it uses less digits than its factorization.

2764231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21232.

The product of its digits is 2016, while the sum is 25.

The square root of 2764231 is about 1662.5976663041. The cubic root of 2764231 is about 140.3432224976.

The spelling of 2764231 in words is "two million, seven hundred sixty-four thousand, two hundred thirty-one".