347230397 has 2 divisors, whose sum is σ = 347230398. Its totient is φ = 347230396.

The previous prime is 347230393. The next prime is 347230439. The reversal of 347230397 is 793032743.

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., 345253561 + 1976836 = 18581^2 + 1406^2 .

It is a cyclic number.

It is not a de Polignac number, because 347230397 - 2² = 347230393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 347230397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347230393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173615198 + 173615199.

It is an arithmetic number, because the mean of its divisors is an integer number (173615199).

Almost surely, 2^347230397 is an apocalyptic number.

It is an amenable number.

347230397 is a deficient number, since it is larger than the sum of its proper divisors (1).

347230397 is an equidigital number, since it uses as much as digits as its factorization.

347230397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 347230397 is about 18634.1191635129. The cubic root of 347230397 is about 702.8660702745.

The spelling of 347230397 in words is "three hundred forty-seven million, two hundred thirty thousand, three hundred ninety-seven".