342105646 has 8 divisors (see below), whose sum is σ = 529712064. Its totient is φ = 165534960.

The previous prime is 342105623. The next prime is 342105653. The reversal of 342105646 is 646501243.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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, 2758855 + ... + 2758978.

It is an arithmetic number, because the mean of its divisors is an integer number (66214008).

Almost surely, 2^342105646 is an apocalyptic number.

342105646 is a deficient number, since it is larger than the sum of its proper divisors (187606418).

342105646 is a wasteful number, since it uses less digits than its factorization.

342105646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517866.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 342105646 is about 18496.0981290650. The cubic root of 342105646 is about 699.3910663574.

Adding to 342105646 its reverse (646501243), we get a palindrome (988606889).

The spelling of 342105646 in words is "three hundred forty-two million, one hundred five thousand, six hundred forty-six".