1283224938 has 32 divisors (see below), whose sum is σ = 2584224000. Its totient is φ = 424790016.

The previous prime is 1283224919. The next prime is 1283224939. The reversal of 1283224938 is 8394223821.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1283224938.

It is not an unprimeable number, because it can be changed into a prime (1283224939) 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 15 ways as a sum of consecutive naturals, for example, 642870 + ... + 644862.

It is an arithmetic number, because the mean of its divisors is an integer number (80757000).

Almost surely, 2^1283224938 is an apocalyptic number.

1283224938 is an abundant number, since it is smaller than the sum of its proper divisors (1300999062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1283224938 is a wasteful number, since it uses less digits than its factorization.

1283224938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686.

The product of its digits is 165888, while the sum is 42.

The square root of 1283224938 is about 35822.1291662012. The cubic root of 1283224938 is about 1086.6781390427.

The spelling of 1283224938 in words is "one billion, two hundred eighty-three million, two hundred twenty-four thousand, nine hundred thirty-eight".