345384459 has 16 divisors (see below), whose sum is σ = 584778240. Its totient is φ = 197362440.

The previous prime is 345384439. The next prime is 345384499. The reversal of 345384459 is 954483543.

It is not a de Polignac number, because 345384459 - 2⁸ = 345384203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345384409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913527 + ... + 913904.

It is an arithmetic number, because the mean of its divisors is an integer number (36548640).

Almost surely, 2^345384459 is an apocalyptic number.

345384459 is a deficient number, since it is larger than the sum of its proper divisors (239393781).

345384459 is a wasteful number, since it uses less digits than its factorization.

345384459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827447 (or 1827441 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 345384459 is about 18584.5220277520. The cubic root of 345384459 is about 701.6183366213.

The spelling of 345384459 in words is "three hundred forty-five million, three hundred eighty-four thousand, four hundred fifty-nine".