344786085 has 32 divisors (see below), whose sum is σ = 700519680. Its totient is φ = 157616064.

The previous prime is 344786069. The next prime is 344786093. The reversal of 344786085 is 580687443.

344786085 is a `hidden beast` number, since 34 + 4 + 7 + 8 + 608 + 5 = 666.

It is not a de Polignac number, because 344786085 - 2⁴ = 344786069 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 344786085.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181482 + ... + 183371.

It is an arithmetic number, because the mean of its divisors is an integer number (21891240).

Almost surely, 2^344786085 is an apocalyptic number.

344786085 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

344786085 is an abundant number, since it is smaller than the sum of its proper divisors (355733595).

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

344786085 is a wasteful number, since it uses less digits than its factorization.

344786085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364874 (or 364868 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 344786085 is about 18568.4163298866. The cubic root of 344786085 is about 701.2129209140.

The spelling of 344786085 in words is "three hundred forty-four million, seven hundred eighty-six thousand, eighty-five".