1238328873 has 12 divisors (see below), whose sum is σ = 1791691200. Its totient is φ = 824170776.

The previous prime is 1238328829. The next prime is 1238328887. The reversal of 1238328873 is 3788238321.

It is not a de Polignac number, because 1238328873 - 2¹² = 1238324777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1238323873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109461 + ... + 120242.

It is an arithmetic number, because the mean of its divisors is an integer number (149307600).

Almost surely, 2^1238328873 is an apocalyptic number.

It is an amenable number.

1238328873 is a deficient number, since it is larger than the sum of its proper divisors (553362327).

1238328873 is a wasteful number, since it uses less digits than its factorization.

1238328873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230308 (or 230305 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1238328873 is about 35189.8973144282. The cubic root of 1238328873 is about 1073.8542320606.

It can be divided in two parts, 12383288 and 73, that added together give a square (12383361 = 3519²).

The spelling of 1238328873 in words is "one billion, two hundred thirty-eight million, three hundred twenty-eight thousand, eight hundred seventy-three".