345795389 has 2 divisors, whose sum is σ = 345795390. Its totient is φ = 345795388.

The previous prime is 345795361. The next prime is 345795407. The reversal of 345795389 is 983597543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 264615289 + 81180100 = 16267^2 + 9010^2 .

It is a cyclic number.

It is not a de Polignac number, because 345795389 - 2¹² = 345791293 is a prime.

It is a super-2 number, since 2×345795389² = 239148902107322642, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345795389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345795319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172897694 + 172897695.

It is an arithmetic number, because the mean of its divisors is an integer number (172897695).

Almost surely, 2^345795389 is an apocalyptic number.

It is an amenable number.

345795389 is a deficient number, since it is larger than the sum of its proper divisors (1).

345795389 is an equidigital number, since it uses as much as digits as its factorization.

345795389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 53.

The square root of 345795389 is about 18595.5744466257. The cubic root of 345795389 is about 701.8964824646.

The spelling of 345795389 in words is "three hundred forty-five million, seven hundred ninety-five thousand, three hundred eighty-nine".