344681493 has 8 divisors (see below), whose sum is σ = 494927328. Its totient is φ = 212111664.

The previous prime is 344681437. The next prime is 344681531. The reversal of 344681493 is 394186443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 344681493 - 2⁸ = 344681237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344681893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4418955 + ... + 4419032.

It is an arithmetic number, because the mean of its divisors is an integer number (61865916).

Almost surely, 2^344681493 is an apocalyptic number.

It is an amenable number.

344681493 is a deficient number, since it is larger than the sum of its proper divisors (150245835).

344681493 is a wasteful number, since it uses less digits than its factorization.

344681493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8838003.

The product of its digits is 248832, while the sum is 42.

The square root of 344681493 is about 18565.5997209894. The cubic root of 344681493 is about 701.1420086563.

The spelling of 344681493 in words is "three hundred forty-four million, six hundred eighty-one thousand, four hundred ninety-three".