2856379 has 2 divisors, whose sum is σ = 2856380. Its totient is φ = 2856378.

The previous prime is 2856377. The next prime is 2856397. The reversal of 2856379 is 9736582.

Together with next prime (2856397) 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 2856379 - 2¹ = 2856377 is a prime.

Together with 2856377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2856377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428189 + 1428190.

It is an arithmetic number, because the mean of its divisors is an integer number (1428190).

2^2856379 is an apocalyptic number.

2856379 is a deficient number, since it is larger than the sum of its proper divisors (1).

2856379 is an equidigital number, since it uses as much as digits as its factorization.

2856379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 2856379 is about 1690.0825423629. The cubic root of 2856379 is about 141.8856945628.

The spelling of 2856379 in words is "two million, eight hundred fifty-six thousand, three hundred seventy-nine".