345343424 has 14 divisors (see below), whose sum is σ = 685290984. Its totient is φ = 172671680.

The previous prime is 345343403. The next prime is 345343433. The reversal of 345343424 is 424343543.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2697932 + ... + 2698059.

It is an arithmetic number, because the mean of its divisors is an integer number (48949356).

Almost surely, 2^345343424 is an apocalyptic number.

It is an amenable number.

345343424 is a deficient number, since it is larger than the sum of its proper divisors (339947560).

345343424 is an equidigital number, since it uses as much as digits as its factorization.

345343424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396003 (or 5395993 counting only the distinct ones).

The product of its digits is 69120, while the sum is 32.

The square root of 345343424 is about 18583.4179848595. The cubic root of 345343424 is about 701.5905491824.

Adding to 345343424 its reverse (424343543), we get a palindrome (769686967).

The spelling of 345343424 in words is "three hundred forty-five million, three hundred forty-three thousand, four hundred twenty-four".