346473893 has 2 divisors, whose sum is σ = 346473894. Its totient is φ = 346473892.

The previous prime is 346473871. The next prime is 346473917. The reversal of 346473893 is 398374643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 345885604 + 588289 = 18598^2 + 767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346473893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346473293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173236946 + 173236947.

It is an arithmetic number, because the mean of its divisors is an integer number (173236947).

Almost surely, 2^346473893 is an apocalyptic number.

It is an amenable number.

346473893 is a deficient number, since it is larger than the sum of its proper divisors (1).

346473893 is an equidigital number, since it uses as much as digits as its factorization.

346473893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 47.

The square root of 346473893 is about 18613.8092017728. The cubic root of 346473893 is about 702.3552589935.

The spelling of 346473893 in words is "three hundred forty-six million, four hundred seventy-three thousand, eight hundred ninety-three".