345475384 has 8 divisors (see below), whose sum is σ = 647766360. Its totient is φ = 172737688.

The previous prime is 345475381. The next prime is 345475399. The reversal of 345475384 is 483574543.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 345475384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345475381) by changing a digit.

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 as a sum of consecutive naturals, namely, 21592204 + ... + 21592219.

It is an arithmetic number, because the mean of its divisors is an integer number (80970795).

Almost surely, 2^345475384 is an apocalyptic number.

It is an amenable number.

345475384 is a deficient number, since it is larger than the sum of its proper divisors (302290976).

345475384 is a wasteful number, since it uses less digits than its factorization.

345475384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43184429 (or 43184425 counting only the distinct ones).

The product of its digits is 806400, while the sum is 43.

The square root of 345475384 is about 18586.9681228542. The cubic root of 345475384 is about 701.6798999491.

The spelling of 345475384 in words is "three hundred forty-five million, four hundred seventy-five thousand, three hundred eighty-four".