340627961 has 2 divisors, whose sum is σ = 340627962. Its totient is φ = 340627960.

The previous prime is 340627951. The next prime is 340627981. The reversal of 340627961 is 169726043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 269124025 + 71503936 = 16405^2 + 8456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340627961 is a prime.

It is not a weakly prime, because it can be changed into another prime (340627921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170313980 + 170313981.

It is an arithmetic number, because the mean of its divisors is an integer number (170313981).

Almost surely, 2^340627961 is an apocalyptic number.

It is an amenable number.

340627961 is a deficient number, since it is larger than the sum of its proper divisors (1).

340627961 is an equidigital number, since it uses as much as digits as its factorization.

340627961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 340627961 is about 18456.1090428075. The cubic root of 340627961 is about 698.3826339440.

The spelling of 340627961 in words is "three hundred forty million, six hundred twenty-seven thousand, nine hundred sixty-one".