1283796828 has 36 divisors (see below), whose sum is σ = 3254028960. Its totient is φ = 426761856.

The previous prime is 1283796827. The next prime is 1283796887. The reversal of 1283796828 is 8286973821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283796823) 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, 35373 + ... + 61796.

Almost surely, 2^1283796828 is an apocalyptic number.

1283796828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1283796828 is an abundant number, since it is smaller than the sum of its proper divisors (1970232132).

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

1283796828 is a wasteful number, since it uses less digits than its factorization.

1283796828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97546 (or 97541 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 1283796828 is about 35830.1106333765. The cubic root of 1283796828 is about 1086.8395469778.

The spelling of 1283796828 in words is "one billion, two hundred eighty-three million, seven hundred ninety-six thousand, eight hundred twenty-eight".