340284877 has 2 divisors, whose sum is σ = 340284878. Its totient is φ = 340284876.

The previous prime is 340284829. The next prime is 340284899. The reversal of 340284877 is 778482043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330730596 + 9554281 = 18186^2 + 3091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340284877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340284817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170142438 + 170142439.

It is an arithmetic number, because the mean of its divisors is an integer number (170142439).

Almost surely, 2^340284877 is an apocalyptic number.

It is an amenable number.

340284877 is a deficient number, since it is larger than the sum of its proper divisors (1).

340284877 is an equidigital number, since it uses as much as digits as its factorization.

340284877 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 301056, while the sum is 43.

The square root of 340284877 is about 18446.8121094134. The cubic root of 340284877 is about 698.1480824450.

The spelling of 340284877 in words is "three hundred forty million, two hundred eighty-four thousand, eight hundred seventy-seven".