346302121 has 12 divisors (see below), whose sum is σ = 403039476. Its totient is φ = 296299520.

The previous prime is 346302119. The next prime is 346302127. The reversal of 346302121 is 121203643.

It can be written as a sum of positive squares in 2 ways, for example, as 300536896 + 45765225 = 17336^2 + 6765^2 .

It is not a de Polignac number, because 346302121 - 2¹ = 346302119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 346302092 and 346302101.

It is not an unprimeable number, because it can be changed into a prime (346302127) 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, 82120 + ... + 86233.

It is an arithmetic number, because the mean of its divisors is an integer number (33586623).

Almost surely, 2^346302121 is an apocalyptic number.

It is an amenable number.

346302121 is a deficient number, since it is larger than the sum of its proper divisors (56737355).

346302121 is a wasteful number, since it uses less digits than its factorization.

346302121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168392 (or 168381 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 346302121 is about 18609.1945285120. The cubic root of 346302121 is about 702.2391704869.

Adding to 346302121 its reverse (121203643), we get a palindrome (467505764).

The spelling of 346302121 in words is "three hundred forty-six million, three hundred two thousand, one hundred twenty-one".