347400961 has 2 divisors, whose sum is σ = 347400962. Its totient is φ = 347400960.

The previous prime is 347400953. The next prime is 347400971. The reversal of 347400961 is 169004743.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174636225 + 172764736 = 13215^2 + 13144^2 .

It is a cyclic number.

It is not a de Polignac number, because 347400961 - 2³ = 347400953 is a prime.

It is not a weakly prime, because it can be changed into another prime (347400931) 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, 173700480 + 173700481.

It is an arithmetic number, because the mean of its divisors is an integer number (173700481).

Almost surely, 2^347400961 is an apocalyptic number.

It is an amenable number.

347400961 is a deficient number, since it is larger than the sum of its proper divisors (1).

347400961 is an equidigital number, since it uses as much as digits as its factorization.

347400961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 347400961 is about 18638.6952601302. The cubic root of 347400961 is about 702.9811370288.

The spelling of 347400961 in words is "three hundred forty-seven million, four hundred thousand, nine hundred sixty-one".