2942783 has 2 divisors, whose sum is σ = 2942784. Its totient is φ = 2942782.

The previous prime is 2942767. The next prime is 2942809. The reversal of 2942783 is 3872492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2942783 - 2⁴ = 2942767 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 9² + 4 + 2¹⁹ + 7⁷ + 8³ + 3¹³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2942713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471391 + 1471392.

It is an arithmetic number, because the mean of its divisors is an integer number (1471392).

2^2942783 is an apocalyptic number.

2942783 is a deficient number, since it is larger than the sum of its proper divisors (1).

2942783 is an equidigital number, since it uses as much as digits as its factorization.

2942783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 2942783 is about 1715.4541672688. The cubic root of 2942783 is about 143.3021631637.

The spelling of 2942783 in words is "two million, nine hundred forty-two thousand, seven hundred eighty-three".