346314421 has 2 divisors, whose sum is σ = 346314422. Its totient is φ = 346314420.

The previous prime is 346314407. The next prime is 346314443. The reversal of 346314421 is 124413643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322597521 + 23716900 = 17961^2 + 4870^2 .

It is an emirp because it is prime and its reverse (124413643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346314421 - 2⁹ = 346313909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 346314421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346314401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173157210 + 173157211.

It is an arithmetic number, because the mean of its divisors is an integer number (173157211).

Almost surely, 2^346314421 is an apocalyptic number.

It is an amenable number.

346314421 is a deficient number, since it is larger than the sum of its proper divisors (1).

346314421 is an equidigital number, since it uses as much as digits as its factorization.

346314421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

The square root of 346314421 is about 18609.5250073719. The cubic root of 346314421 is about 702.2474844599.

The spelling of 346314421 in words is "three hundred forty-six million, three hundred fourteen thousand, four hundred twenty-one".