345503430 has 24 divisors (see below), whose sum is σ = 898309152. Its totient is φ = 92134224.

The previous prime is 345503423. The next prime is 345503471. The reversal of 345503430 is 34305543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 345503394 and 345503403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1919374 + ... + 1919553.

It is an arithmetic number, because the mean of its divisors is an integer number (37429548).

Almost surely, 2^345503430 is an apocalyptic number.

345503430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345503430 is an abundant number, since it is smaller than the sum of its proper divisors (552805722).

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

345503430 is a wasteful number, since it uses less digits than its factorization.

345503430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838940 (or 3838937 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 345503430 is about 18587.7225608733. The cubic root of 345503430 is about 701.6988871021.

Adding to 345503430 its reverse (34305543), we get a palindrome (379808973).

The spelling of 345503430 in words is "three hundred forty-five million, five hundred three thousand, four hundred thirty".