1284064432 has 20 divisors (see below), whose sum is σ = 2843285776. Its totient is φ = 550313280.

The previous prime is 1284064429. The next prime is 1284064459. The reversal of 1284064432 is 2344604821.

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, 5732319 + ... + 5732542.

Almost surely, 2^1284064432 is an apocalyptic number.

It is an amenable number.

1284064432 is an abundant number, since it is smaller than the sum of its proper divisors (1559221344).

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

1284064432 is a wasteful number, since it uses less digits than its factorization.

1284064432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11464876 (or 11464870 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 1284064432 is about 35833.8447839469. The cubic root of 1284064432 is about 1086.9150579927.

The spelling of 1284064432 in words is "one billion, two hundred eighty-four million, sixty-four thousand, four hundred thirty-two".