1324963988 has 24 divisors (see below), whose sum is σ = 2378923008. Its totient is φ = 645353856.

The previous prime is 1324963973. The next prime is 1324964009. The reversal of 1324963988 is 8893694231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55820 + ... + 75932.

It is an arithmetic number, because the mean of its divisors is an integer number (99121792).

Almost surely, 2^1324963988 is an apocalyptic number.

It is an amenable number.

1324963988 is a deficient number, since it is larger than the sum of its proper divisors (1053959020).

1324963988 is a wasteful number, since it uses less digits than its factorization.

1324963988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20543 (or 20541 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 1324963988 is about 36400.0547801786. The cubic root of 1324963988 is about 1098.3346668360.

The spelling of 1324963988 in words is "one billion, three hundred twenty-four million, nine hundred sixty-three thousand, nine hundred eighty-eight".