345385 has 8 divisors (see below), whose sum is σ = 421056. Its totient is φ = 271920.

The previous prime is 345379. The next prime is 345413. The reversal of 345385 is 583543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345385 - 2⁹ = 344873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (52632).

2³⁴⁵³⁸⁵ is an apocalyptic number.

It is an amenable number.

345385 is a deficient number, since it is larger than the sum of its proper divisors (75671).

345385 is a wasteful number, since it uses less digits than its factorization.

345385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its digits is 7200, while the sum is 28.

The square root of 345385 is about 587.6946486059. The cubic root of 345385 is about 70.1618702953.

It can be divided in two parts, 34538 and 5, that added together give a palindrome (34543).

The spelling of 345385 in words is "three hundred forty-five thousand, three hundred eighty-five".