323841987 has 48 divisors (see below), whose sum is σ = 550987008. Its totient is φ = 179444160.

The previous prime is 323841983. The next prime is 323841989. The reversal of 323841987 is 789148323.

It is not a de Polignac number, because 323841987 - 2² = 323841983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (323841983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 468312 + ... + 469002.

It is an arithmetic number, because the mean of its divisors is an integer number (11478896).

Almost surely, 2^323841987 is an apocalyptic number.

323841987 is a deficient number, since it is larger than the sum of its proper divisors (227145021).

323841987 is a wasteful number, since it uses less digits than its factorization.

323841987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 917 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 323841987 is about 17995.6102147163. The cubic root of 323841987 is about 686.7168732207.

The spelling of 323841987 in words is "three hundred twenty-three million, eight hundred forty-one thousand, nine hundred eighty-seven".