345088 has 22 divisors (see below), whose sum is σ = 691886. Its totient is φ = 172032.

The previous prime is 345067. The next prime is 345089. The reversal of 345088 is 880543.

It can be written as a sum of positive squares in only one way, i.e., 262144 + 82944 = 512^2 + 288^2 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (345089) by changing a digit.

345088 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 as a sum of consecutive naturals, namely, 856 + ... + 1192.

2³⁴⁵⁰⁸⁸ 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 345088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345943).

345088 is an abundant number, since it is smaller than the sum of its proper divisors (346798).

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

345088 is an equidigital number, since it uses as much as digits as its factorization.

345088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 345088 is about 587.4419120219. The cubic root of 345088 is about 70.1417535644.

The spelling of 345088 in words is "three hundred forty-five thousand, eighty-eight".