346140263 has 12 divisors (see below), whose sum is σ = 403134552. Its totient is φ = 296336880.

The previous prime is 346140257. The next prime is 346140283. The reversal of 346140263 is 362041643.

It is not a de Polignac number, because 346140263 - 2⁶ = 346140199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346140253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42356 + ... + 49862.

It is an arithmetic number, because the mean of its divisors is an integer number (33594546).

Almost surely, 2^346140263 is an apocalyptic number.

346140263 is a deficient number, since it is larger than the sum of its proper divisors (56994289).

346140263 is an equidigital number, since it uses as much as digits as its factorization.

346140263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8462 (or 8455 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 346140263 is about 18604.8451485090. The cubic root of 346140263 is about 702.1297470156.

The spelling of 346140263 in words is "three hundred forty-six million, one hundred forty thousand, two hundred sixty-three".