1283263996 has 24 divisors (see below), whose sum is σ = 2597454720. Its totient is φ = 543343152.

The previous prime is 1283263973. The next prime is 1283263997. The reversal of 1283263996 is 6993623821.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283263997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273766 + ... + 278413.

It is an arithmetic number, because the mean of its divisors is an integer number (108227280).

Almost surely, 2^1283263996 is an apocalyptic number.

It is an amenable number.

1283263996 is an abundant number, since it is smaller than the sum of its proper divisors (1314190724).

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

1283263996 is a wasteful number, since it uses less digits than its factorization.

1283263996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552273 (or 552271 counting only the distinct ones).

The product of its digits is 839808, while the sum is 49.

The square root of 1283263996 is about 35822.6743278611. The cubic root of 1283263996 is about 1086.6891641413.

The spelling of 1283263996 in words is "one billion, two hundred eighty-three million, two hundred sixty-three thousand, nine hundred ninety-six".