323640346 has 16 divisors (see below), whose sum is σ = 489823488. Its totient is φ = 160372800.

The previous prime is 323640287. The next prime is 323640353. The reversal of 323640346 is 643046323.

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, 105981 + ... + 108991.

It is an arithmetic number, because the mean of its divisors is an integer number (30613968).

Almost surely, 2^323640346 is an apocalyptic number.

323640346 is a deficient number, since it is larger than the sum of its proper divisors (166183142).

323640346 is a wasteful number, since it uses less digits than its factorization.

323640346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477.

The product of its (nonzero) digits is 31104, while the sum is 31.

The square root of 323640346 is about 17990.0068371304. The cubic root of 323640346 is about 686.5743149854.

Adding to 323640346 its reverse (643046323), we get a palindrome (966686669).

The spelling of 323640346 in words is "three hundred twenty-three million, six hundred forty thousand, three hundred forty-six".