1284423716 has 12 divisors (see below), whose sum is σ = 2248512000. Its totient is φ = 641991720.

The previous prime is 1284423709. The next prime is 1284423727. The reversal of 1284423716 is 6173244821.

It is a self number, because there is not a number n which added to its sum of digits gives 1284423716.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41540 + ... + 65531.

It is an arithmetic number, because the mean of its divisors is an integer number (187376000).

Almost surely, 2^1284423716 is an apocalyptic number.

It is an amenable number.

1284423716 is a deficient number, since it is larger than the sum of its proper divisors (964088284).

1284423716 is a wasteful number, since it uses less digits than its factorization.

1284423716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110074 (or 110072 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 1284423716 is about 35838.8576268831. The cubic root of 1284423716 is about 1087.0164222658.

The spelling of 1284423716 in words is "one billion, two hundred eighty-four million, four hundred twenty-three thousand, seven hundred sixteen".