344242128 has 20 divisors (see below), whose sum is σ = 889292288. Its totient is φ = 114747360.

The previous prime is 344242123. The next prime is 344242177. The reversal of 344242128 is 821242443.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 344242095 and 344242104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344242123) 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 3 ways as a sum of consecutive naturals, for example, 3585808 + ... + 3585903.

Almost surely, 2^344242128 is an apocalyptic number.

It is an amenable number.

344242128 is an abundant number, since it is smaller than the sum of its proper divisors (545050160).

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

344242128 is a wasteful number, since it uses less digits than its factorization.

344242128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7171722 (or 7171716 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 344242128 is about 18553.7631762400. The cubic root of 344242128 is about 700.8439670816.

The spelling of 344242128 in words is "three hundred forty-four million, two hundred forty-two thousand, one hundred twenty-eight".