345970169 has 4 divisors (see below), whose sum is σ = 346560144. Its totient is φ = 345380196.

The previous prime is 345970139. The next prime is 345970171. The reversal of 345970169 is 961079543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345970169 - 2¹² = 345966073 is a prime.

It is a super-2 number, since 2×345970169² = 239390715675777122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345970129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294107 + ... + 295280.

It is an arithmetic number, because the mean of its divisors is an integer number (86640036).

Almost surely, 2^345970169 is an apocalyptic number.

It is an amenable number.

345970169 is a deficient number, since it is larger than the sum of its proper divisors (589975).

345970169 is an equidigital number, since it uses as much as digits as its factorization.

345970169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589974.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 345970169 is about 18600.2733582063. The cubic root of 345970169 is about 702.0147188630.

The spelling of 345970169 in words is "three hundred forty-five million, nine hundred seventy thousand, one hundred sixty-nine".