2768431 has 2 divisors, whose sum is σ = 2768432. Its totient is φ = 2768430.

The previous prime is 2768429. The next prime is 2768449. The reversal of 2768431 is 1348672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2768431 - 2¹ = 2768429 is a prime.

It is a super-2 number, since 2×2768431² = 15328420403522, which contains 22 as substring.

Together with 2768429, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2768393 and 2768402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2768401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384215 + 1384216.

It is an arithmetic number, because the mean of its divisors is an integer number (1384216).

2^2768431 is an apocalyptic number.

2768431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2768431 is an equidigital number, since it uses as much as digits as its factorization.

2768431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 2768431 is about 1663.8602705756. The cubic root of 2768431 is about 140.4142661564.

The spelling of 2768431 in words is "two million, seven hundred sixty-eight thousand, four hundred thirty-one".