346140469 has 2 divisors, whose sum is σ = 346140470. Its totient is φ = 346140468.

The previous prime is 346140449. The next prime is 346140503. The reversal of 346140469 is 964041643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218744100 + 127396369 = 14790^2 + 11287^2 .

It is a cyclic number.

It is not a de Polignac number, because 346140469 - 2⁵ = 346140437 is a prime.

It is a super-2 number, since 2×346140469² = 239626448559079922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346140419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173070234 + 173070235.

It is an arithmetic number, because the mean of its divisors is an integer number (173070235).

Almost surely, 2^346140469 is an apocalyptic number.

It is an amenable number.

346140469 is a deficient number, since it is larger than the sum of its proper divisors (1).

346140469 is an equidigital number, since it uses as much as digits as its factorization.

346140469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 346140469 is about 18604.8506847005. The cubic root of 346140469 is about 702.1298863028.

The spelling of 346140469 in words is "three hundred forty-six million, one hundred forty thousand, four hundred sixty-nine".