1283323392 has 320 divisors, whose sum is σ = 4223271360. Its totient is φ = 382205952.

The previous prime is 1283323373. The next prime is 1283323409. The reversal of 1283323392 is 2933233821.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6649248 + ... + 6649440.

It is an arithmetic number, because the mean of its divisors is an integer number (13197723).

Almost surely, 2^1283323392 is an apocalyptic number.

1283323392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1283323392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2111635680).

1283323392 is an abundant number, since it is smaller than the sum of its proper divisors (2939947968).

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

1283323392 is a wasteful number, since it uses less digits than its factorization.

1283323392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270 (or 248 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 1283323392 is about 35823.5033462670. The cubic root of 1283323392 is about 1086.7059297208.

The spelling of 1283323392 in words is "one billion, two hundred eighty-three million, three hundred twenty-three thousand, three hundred ninety-two".