1283863492 has 24 divisors (see below), whose sum is σ = 2269209600. Its totient is φ = 635544096.

The previous prime is 1283863453. The next prime is 1283863499. The reversal of 1283863492 is 2943683821.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1283863499) by changing a digit.

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, 209934 + ... + 215962.

It is an arithmetic number, because the mean of its divisors is an integer number (94550400).

Almost surely, 2^1283863492 is an apocalyptic number.

It is an amenable number.

1283863492 is a deficient number, since it is larger than the sum of its proper divisors (985346108).

1283863492 is a wasteful number, since it uses less digits than its factorization.

1283863492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555 (or 6553 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 1283863492 is about 35831.0409003144. The cubic root of 1283863492 is about 1086.8583588375.

The spelling of 1283863492 in words is "one billion, two hundred eighty-three million, eight hundred sixty-three thousand, four hundred ninety-two".