299805345 has 48 divisors (see below), whose sum is σ = 619736832. Its totient is φ = 131091840.

The previous prime is 299805307. The next prime is 299805409. The reversal of 299805345 is 543508992.

299805345 is a `hidden beast` number, since 29 + 98 + 0 + 534 + 5 = 666.

It is not a de Polignac number, because 299805345 - 2⁶ = 299805281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 299805345.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13446 + ... + 27935.

It is an arithmetic number, because the mean of its divisors is an integer number (12911184).

Almost surely, 2^299805345 is an apocalyptic number.

It is an amenable number.

299805345 is an abundant number, since it is smaller than the sum of its proper divisors (319931487).

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

299805345 is a wasteful number, since it uses less digits than its factorization.

299805345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41422 (or 41419 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 299805345 is about 17314.8879580551. The cubic root of 299805345 is about 669.2881315659.

The spelling of 299805345 in words is "two hundred ninety-nine million, eight hundred five thousand, three hundred forty-five".