2857973 has 2 divisors, whose sum is σ = 2857974. Its totient is φ = 2857972.

The previous prime is 2857951. The next prime is 2857993. The reversal of 2857973 is 3797582.

2857973 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2007889 + 850084 = 1417^2 + 922^2 .

It is a cyclic number.

It is not a de Polignac number, because 2857973 - 2¹⁴ = 2841589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2857973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2857903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428986 + 1428987.

It is an arithmetic number, because the mean of its divisors is an integer number (1428987).

2^2857973 is an apocalyptic number.

It is an amenable number.

2857973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2857973 is an equidigital number, since it uses as much as digits as its factorization.

2857973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 2857973 is about 1690.5540511915. The cubic root of 2857973 is about 141.9120827206.

The spelling of 2857973 in words is "two million, eight hundred fifty-seven thousand, nine hundred seventy-three".