1283886984 has 32 divisors (see below), whose sum is σ = 3234227040. Its totient is φ = 424694400.

The previous prime is 1283886977. The next prime is 1283887037. The reversal of 1283886984 is 4896883821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201037 + ... + 207324.

It is an arithmetic number, because the mean of its divisors is an integer number (101069595).

Almost surely, 2^1283886984 is an apocalyptic number.

It is an amenable number.

1283886984 is an abundant number, since it is smaller than the sum of its proper divisors (1950340056).

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

1283886984 is a wasteful number, since it uses less digits than its factorization.

1283886984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408501 (or 408497 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 57.

The square root of 1283886984 is about 35831.3687151356. The cubic root of 1283886984 is about 1086.8649878707.

The spelling of 1283886984 in words is "one billion, two hundred eighty-three million, eight hundred eighty-six thousand, nine hundred eighty-four".