344057805 has 144 divisors (see below), whose sum is σ = 772851456. Its totient is φ = 138378240.

The previous prime is 344057803. The next prime is 344057863. The reversal of 344057805 is 508750443.

It is not a de Polignac number, because 344057805 - 2¹ = 344057803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344057805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344057803) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1224265 + ... + 1224545.

It is an arithmetic number, because the mean of its divisors is an integer number (5367024).

Almost surely, 2^344057805 is an apocalyptic number.

344057805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

344057805 is an abundant number, since it is smaller than the sum of its proper divisors (428793651).

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

344057805 is a wasteful number, since it uses less digits than its factorization.

344057805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 344057805 is about 18548.7952438966. The cubic root of 344057805 is about 700.7188567639.

The spelling of 344057805 in words is "three hundred forty-four million, fifty-seven thousand, eight hundred five".