2664379 has 2 divisors, whose sum is σ = 2664380. Its totient is φ = 2664378.

The previous prime is 2664367. The next prime is 2664397. The reversal of 2664379 is 9734662.

Together with next prime (2664397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2664379 - 2⁹ = 2663867 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6⁷ + 6⁷ + 4² + 3⁸ + 7² + 9³ .

2664379 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2664329) 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, 1332189 + 1332190.

It is an arithmetic number, because the mean of its divisors is an integer number (1332190).

2^2664379 is an apocalyptic number.

2664379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664379 is an equidigital number, since it uses as much as digits as its factorization.

2664379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 2664379 is about 1632.2925595616. The cubic root of 2664379 is about 138.6325890383.

The spelling of 2664379 in words is "two million, six hundred sixty-four thousand, three hundred seventy-nine".