344420358 has 16 divisors (see below), whose sum is σ = 689311296. Its totient is φ = 114728360.

The previous prime is 344420303. The next prime is 344420359. The reversal of 344420358 is 853024443.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344420359) 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 7 ways as a sum of consecutive naturals, for example, 9708 + ... + 27983.

It is an arithmetic number, because the mean of its divisors is an integer number (43081956).

Almost surely, 2^344420358 is an apocalyptic number.

344420358 is an abundant number, since it is smaller than the sum of its proper divisors (344890938).

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

344420358 is a wasteful number, since it uses less digits than its factorization.

344420358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39219.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 344420358 is about 18558.5656234527. The cubic root of 344420358 is about 700.9648992771.

The spelling of 344420358 in words is "three hundred forty-four million, four hundred twenty thousand, three hundred fifty-eight".