345348 has 36 divisors (see below), whose sum is σ = 894348. Its totient is φ = 112320.

The previous prime is 345329. The next prime is 345379. The reversal of 345348 is 843543.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97344 + 248004 = 312^2 + 498^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×345348² = 238530482208, which contains 22 as substring.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345348.

It is an unprimeable number.

345348 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1818 + ... + 1998.

It is an arithmetic number, because the mean of its divisors is an integer number (24843).

2³⁴⁵³⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447174).

345348 is an abundant number, since it is smaller than the sum of its proper divisors (549000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345348 is a wasteful number, since it uses less digits than its factorization.

345348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 239 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 345348 is about 587.6631688306. The cubic root of 345348 is about 70.1593647995.

The spelling of 345348 in words is "three hundred forty-five thousand, three hundred forty-eight".