345104320 has 56 divisors (see below), whose sum is σ = 896496048. Its totient is φ = 125491200.

The previous prime is 345104317. The next prime is 345104327. The reversal of 345104320 is 23401543.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 345104291 and 345104300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345104327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45501 + ... + 52540.

It is an arithmetic number, because the mean of its divisors is an integer number (16008858).

Almost surely, 2^345104320 is an apocalyptic number.

It is an amenable number.

345104320 is an abundant number, since it is smaller than the sum of its proper divisors (551391728).

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

345104320 is a wasteful number, since it uses less digits than its factorization.

345104320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98069 (or 98059 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 345104320 is about 18576.9836087563. The cubic root of 345104320 is about 701.4285926820.

Adding to 345104320 its reverse (23401543), we get a palindrome (368505863).

The spelling of 345104320 in words is "three hundred forty-five million, one hundred four thousand, three hundred twenty".