345985382 has 4 divisors (see below), whose sum is σ = 518978076. Its totient is φ = 172992690.

The previous prime is 345985357. The next prime is 345985391. The reversal of 345985382 is 283589543.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86496344 + ... + 86496347.

It is an arithmetic number, because the mean of its divisors is an integer number (129744519).

Almost surely, 2^345985382 is an apocalyptic number.

345985382 is a deficient number, since it is larger than the sum of its proper divisors (172992694).

345985382 is a wasteful number, since it uses less digits than its factorization.

345985382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172992693.

The product of its digits is 1036800, while the sum is 47.

The square root of 345985382 is about 18600.6822993136. The cubic root of 345985382 is about 702.0250083758.

The spelling of 345985382 in words is "three hundred forty-five million, nine hundred eighty-five thousand, three hundred eighty-two".