347897441 has 2 divisors, whose sum is σ = 347897442. Its totient is φ = 347897440.

The previous prime is 347897357. The next prime is 347897443. The reversal of 347897441 is 144798743.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187115041 + 160782400 = 13679^2 + 12680^2 .

It is a cyclic number.

It is not a de Polignac number, because 347897441 - 2¹⁴ = 347881057 is a prime.

Together with 347897443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (347897443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173948720 + 173948721.

It is an arithmetic number, because the mean of its divisors is an integer number (173948721).

Almost surely, 2^347897441 is an apocalyptic number.

It is an amenable number.

347897441 is a deficient number, since it is larger than the sum of its proper divisors (1).

347897441 is an equidigital number, since it uses as much as digits as its factorization.

347897441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 47.

The square root of 347897441 is about 18652.0090338816. The cubic root of 347897441 is about 703.3158606702.

The spelling of 347897441 in words is "three hundred forty-seven million, eight hundred ninety-seven thousand, four hundred forty-one".