342321290 has 16 divisors (see below), whose sum is σ = 648609120. Its totient is φ = 129721680.

The previous prime is 342321289. The next prime is 342321311. The reversal of 342321290 is 92123243.

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 7 ways as a sum of consecutive naturals, for example, 900656 + ... + 901035.

It is an arithmetic number, because the mean of its divisors is an integer number (40538070).

Almost surely, 2^342321290 is an apocalyptic number.

342321290 is a deficient number, since it is larger than the sum of its proper divisors (306287830).

342321290 is a wasteful number, since it uses less digits than its factorization.

342321290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801717.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 342321290 is about 18501.9266564323. The cubic root of 342321290 is about 699.5379876478.

The spelling of 342321290 in words is "three hundred forty-two million, three hundred twenty-one thousand, two hundred ninety".