353444939 has 4 divisors (see below), whose sum is σ = 353670360. Its totient is φ = 353219520.

The previous prime is 353444929. The next prime is 353444941. The reversal of 353444939 is 939444353.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353444939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 353444939.

It is not an unprimeable number, because it can be changed into a prime (353444929) 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 3 ways as a sum of consecutive naturals, for example, 110342 + ... + 113499.

It is an arithmetic number, because the mean of its divisors is an integer number (88417590).

Almost surely, 2^353444939 is an apocalyptic number.

353444939 is a deficient number, since it is larger than the sum of its proper divisors (225421).

353444939 is a wasteful number, since it uses less digits than its factorization.

353444939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225420.

The product of its digits is 699840, while the sum is 44.

The square root of 353444939 is about 18800.1313559241. The cubic root of 353444939 is about 707.0344727304.

The spelling of 353444939 in words is "three hundred fifty-three million, four hundred forty-four thousand, nine hundred thirty-nine".