344257930 has 16 divisors (see below), whose sum is σ = 625682304. Its totient is φ = 136365840.

The previous prime is 344257909. The next prime is 344257937. The reversal of 344257930 is 39752443.

It is a self number, because there is not a number n which added to its sum of digits gives 344257930.

It is not an unprimeable number, because it can be changed into a prime (344257937) 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, 166086 + ... + 168145.

It is an arithmetic number, because the mean of its divisors is an integer number (39105144).

Almost surely, 2^344257930 is an apocalyptic number.

344257930 is a deficient number, since it is larger than the sum of its proper divisors (281424374).

344257930 is a wasteful number, since it uses less digits than its factorization.

344257930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334341.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 344257930 is about 18554.1890148829. The cubic root of 344257930 is about 700.8546907032.

The spelling of 344257930 in words is "three hundred forty-four million, two hundred fifty-seven thousand, nine hundred thirty".