340466977 has 2 divisors, whose sum is σ = 340466978. Its totient is φ = 340466976.

The previous prime is 340466957. The next prime is 340466981. The reversal of 340466977 is 779664043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296390656 + 44076321 = 17216^2 + 6639^2 .

It is a cyclic number.

It is not a de Polignac number, because 340466977 - 2⁷ = 340466849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340466927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170233488 + 170233489.

It is an arithmetic number, because the mean of its divisors is an integer number (170233489).

Almost surely, 2^340466977 is an apocalyptic number.

It is an amenable number.

340466977 is a deficient number, since it is larger than the sum of its proper divisors (1).

340466977 is an equidigital number, since it uses as much as digits as its factorization.

340466977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 46.

The square root of 340466977 is about 18451.7472614384. The cubic root of 340466977 is about 698.2725958584.

The spelling of 340466977 in words is "three hundred forty million, four hundred sixty-six thousand, nine hundred seventy-seven".