344140881 has 16 divisors (see below), whose sum is σ = 547206144. Its totient is φ = 188101584.

The previous prime is 344140861. The next prime is 344140897. The reversal of 344140881 is 188041443.

It is not a de Polignac number, because 344140881 - 2¹³ = 344132689 is a prime.

It is a super-2 number, since 2×344140881² = 236865891950912322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344140861) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 355771 + ... + 356736.

It is an arithmetic number, because the mean of its divisors is an integer number (34200384).

Almost surely, 2^344140881 is an apocalyptic number.

It is an amenable number.

344140881 is a deficient number, since it is larger than the sum of its proper divisors (203065263).

344140881 is a wasteful number, since it uses less digits than its factorization.

344140881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712540.

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 344140881 is about 18551.0344994558. The cubic root of 344140881 is about 700.7752506161.

The spelling of 344140881 in words is "three hundred forty-four million, one hundred forty thousand, eight hundred eighty-one".