324899816 has 8 divisors (see below), whose sum is σ = 609187170. Its totient is φ = 162449904.

The previous prime is 324899803. The next prime is 324899891. The reversal of 324899816 is 618998423.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 244797316 + 80102500 = 15646^2 + 8950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20306231 + ... + 20306246.

Almost surely, 2^324899816 is an apocalyptic number.

It is an amenable number.

324899816 is a deficient number, since it is larger than the sum of its proper divisors (284287354).

324899816 is a wasteful number, since it uses less digits than its factorization.

324899816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40612483 (or 40612479 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 324899816 is about 18024.9775589319. The cubic root of 324899816 is about 687.4637801745.

The spelling of 324899816 in words is "three hundred twenty-four million, eight hundred ninety-nine thousand, eight hundred sixteen".