2800379 has 2 divisors, whose sum is σ = 2800380. Its totient is φ = 2800378.

The previous prime is 2800373. The next prime is 2800397. The reversal of 2800379 is 9730082.

Together with next prime (2800397) 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 a de Polignac number, because none of the positive numbers 2^k-2800379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2800373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400189 + 1400190.

It is an arithmetic number, because the mean of its divisors is an integer number (1400190).

2^2800379 is an apocalyptic number.

2800379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800379 is an equidigital number, since it uses as much as digits as its factorization.

2800379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 2800379 is about 1673.4332971469. The cubic root of 2800379 is about 140.9523337025.

It can be divided in two parts, 28003 and 79, that added together give a palindrome (28082).

The spelling of 2800379 in words is "two million, eight hundred thousand, three hundred seventy-nine".