2856977 has 2 divisors, whose sum is σ = 2856978. Its totient is φ = 2856976.

The previous prime is 2856967. The next prime is 2857009. The reversal of 2856977 is 7796582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2446096 + 410881 = 1564^2 + 641^2 .

It is a cyclic number.

It is not a de Polignac number, because 2856977 - 2⁴ = 2856961 is a prime.

It is not a weakly prime, because it can be changed into another prime (2856967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428488 + 1428489.

It is an arithmetic number, because the mean of its divisors is an integer number (1428489).

2^2856977 is an apocalyptic number.

It is an amenable number.

2856977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2856977 is an equidigital number, since it uses as much as digits as its factorization.

2856977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 44.

The square root of 2856977 is about 1690.2594475405. The cubic root of 2856977 is about 141.8955954110.

The spelling of 2856977 in words is "two million, eight hundred fifty-six thousand, nine hundred seventy-seven".