346400042 has 8 divisors (see below), whose sum is σ = 519712032. Its totient is φ = 173162700.

The previous prime is 346400027. The next prime is 346400071. The reversal of 346400042 is 240004643.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 346399990 and 346400017.

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, 5084 + ... + 26807.

It is an arithmetic number, because the mean of its divisors is an integer number (64964004).

Almost surely, 2^346400042 is an apocalyptic number.

346400042 is a deficient number, since it is larger than the sum of its proper divisors (173311990).

346400042 is a wasteful number, since it uses less digits than its factorization.

346400042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37324.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 346400042 is about 18611.8253269259. The cubic root of 346400042 is about 702.3053530457.

Adding to 346400042 its reverse (240004643), we get a palindrome (586404685).

The spelling of 346400042 in words is "three hundred forty-six million, four hundred thousand, forty-two".