345240336 has 160 divisors (see below), whose sum is σ = 1099929600. Its totient is φ = 91100160.

The previous prime is 345240323. The next prime is 345240341. The reversal of 345240336 is 633042543.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261085 + ... + 262403.

It is an arithmetic number, because the mean of its divisors is an integer number (6874560).

Almost surely, 2^345240336 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 345240336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (549964800).

345240336 is an abundant number, since it is smaller than the sum of its proper divisors (754689264).

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

345240336 is a wasteful number, since it uses less digits than its factorization.

345240336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 345240336 is about 18580.6441223118. The cubic root of 345240336 is about 701.5207319518.

Adding to 345240336 its reverse (633042543), we get a palindrome (978282879).

The spelling of 345240336 in words is "three hundred forty-five million, two hundred forty thousand, three hundred thirty-six".