346422493 has 2 divisors, whose sum is σ = 346422494. Its totient is φ = 346422492.

The previous prime is 346422473. The next prime is 346422509. The reversal of 346422493 is 394224643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319765924 + 26656569 = 17882^2 + 5163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346422493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346422463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173211246 + 173211247.

It is an arithmetic number, because the mean of its divisors is an integer number (173211247).

Almost surely, 2^346422493 is an apocalyptic number.

It is an amenable number.

346422493 is a deficient number, since it is larger than the sum of its proper divisors (1).

346422493 is an equidigital number, since it uses as much as digits as its factorization.

346422493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The square root of 346422493 is about 18612.4284552016. The cubic root of 346422493 is about 702.3205254042.

The spelling of 346422493 in words is "three hundred forty-six million, four hundred twenty-two thousand, four hundred ninety-three".