345488 has 40 divisors (see below), whose sum is σ = 791616. Its totient is φ = 144000.

The previous prime is 345487. The next prime is 345511. The reversal of 345488 is 884543.

It is not an unprimeable number, because it can be changed into a prime (345487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2213 + ... + 2363.

2³⁴⁵⁴⁸⁸ 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 345488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395808).

345488 is an abundant number, since it is smaller than the sum of its proper divisors (446128).

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

345488 is a wasteful number, since it uses less digits than its factorization.

345488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 345488 is about 587.7822726146. The cubic root of 345488 is about 70.1688441113.

The spelling of 345488 in words is "three hundred forty-five thousand, four hundred eighty-eight".