346727138 has 8 divisors (see below), whose sum is σ = 550684332. Its totient is φ = 163165696.

The previous prime is 346727107. The next prime is 346727141. The reversal of 346727138 is 831727643.

It can be written as a sum of positive squares in 2 ways, for example, as 266570929 + 80156209 = 16327^2 + 8953^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 346727095 and 346727104.

It is an unprimeable number.

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, 5098895 + ... + 5098962.

Almost surely, 2^346727138 is an apocalyptic number.

346727138 is a deficient number, since it is larger than the sum of its proper divisors (203957194).

346727138 is a wasteful number, since it uses less digits than its factorization.

346727138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10197876.

The product of its digits is 169344, while the sum is 41.

The square root of 346727138 is about 18620.6105700109. The cubic root of 346727138 is about 702.5263393577.

The spelling of 346727138 in words is "three hundred forty-six million, seven hundred twenty-seven thousand, one hundred thirty-eight".