2978683 has 2 divisors, whose sum is σ = 2978684. Its totient is φ = 2978682.

The previous prime is 2978681. The next prime is 2978699. The reversal of 2978683 is 3868792.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2978683 - 2¹ = 2978681 is a prime.

Together with 2978681, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹³ + 9⁵ + 7⁴ + 8³ + 6⁷ + 8⁷ + 3¹² .

It is not a weakly prime, because it can be changed into another prime (2978681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489341 + 1489342.

It is an arithmetic number, because the mean of its divisors is an integer number (1489342).

2^2978683 is an apocalyptic number.

2978683 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978683 is an equidigital number, since it uses as much as digits as its factorization.

2978683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 2978683 is about 1725.8861491999. The cubic root of 2978683 is about 143.8825398883.

The spelling of 2978683 in words is "two million, nine hundred seventy-eight thousand, six hundred eighty-three".