2972863 has 2 divisors, whose sum is σ = 2972864. Its totient is φ = 2972862.

The previous prime is 2972843. The next prime is 2972881. The reversal of 2972863 is 3682792.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2972863 - 2⁵ = 2972831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2972803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486431 + 1486432.

It is an arithmetic number, because the mean of its divisors is an integer number (1486432).

2^2972863 is an apocalyptic number.

2972863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972863 is an equidigital number, since it uses as much as digits as its factorization.

2972863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 2972863 is about 1724.1992344274. The cubic root of 2972863 is about 143.7887688753.

It can be divided in two parts, 29728 and 63, that added together give a cube (29791 = 31³).

The spelling of 2972863 in words is "two million, nine hundred seventy-two thousand, eight hundred sixty-three".