344068991 has 8 divisors (see below), whose sum is σ = 397276320. Its totient is φ = 291875328.

The previous prime is 344068913. The next prime is 344068993. The reversal of 344068991 is 199860443.

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

It is not a de Polignac number, because 344068991 - 2¹⁸ = 343806847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344068993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252686 + ... + 254043.

It is an arithmetic number, because the mean of its divisors is an integer number (49659540).

Almost surely, 2^344068991 is an apocalyptic number.

344068991 is a deficient number, since it is larger than the sum of its proper divisors (53207329).

344068991 is an equidigital number, since it uses as much as digits as its factorization.

344068991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506833.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 344068991 is about 18549.0967704630. The cubic root of 344068991 is about 700.7264506004.

The spelling of 344068991 in words is "three hundred forty-four million, sixty-eight thousand, nine hundred ninety-one".