343889738 has 8 divisors (see below), whose sum is σ = 515917920. Its totient is φ = 171917100.

The previous prime is 343889731. The next prime is 343889747. The reversal of 343889738 is 837988343.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 343889738.

It is not an unprimeable number, because it can be changed into a prime (343889731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9413 + ... + 27863.

It is an arithmetic number, because the mean of its divisors is an integer number (64489740).

Almost surely, 2^343889738 is an apocalyptic number.

343889738 is a deficient number, since it is larger than the sum of its proper divisors (172028182).

343889738 is a wasteful number, since it uses less digits than its factorization.

343889738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27772.

The product of its digits is 3483648, while the sum is 53.

The square root of 343889738 is about 18544.2642884532. The cubic root of 343889738 is about 700.6047413493.

The spelling of 343889738 in words is "three hundred forty-three million, eight hundred eighty-nine thousand, seven hundred thirty-eight".