1284436368 has 60 divisors (see below), whose sum is σ = 3629579200. Its totient is φ = 423983808.

The previous prime is 1284436367. The next prime is 1284436369. The reversal of 1284436368 is 8636344821.

1284436368 is a `hidden beast` number, since 1 + 2 + 8 + 4 + 4 + 3 + 636 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (1284436367) and next prime (1284436369).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1284436367) 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, 28468 + ... + 58131.

Almost surely, 2^1284436368 is an apocalyptic number.

1284436368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1284436368 is an abundant number, since it is smaller than the sum of its proper divisors (2345142832).

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

1284436368 is a wasteful number, since it uses less digits than its factorization.

1284436368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86716 (or 86707 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 1284436368 is about 35839.0341387711. The cubic root of 1284436368 is about 1087.0199914116.

The spelling of 1284436368 in words is "one billion, two hundred eighty-four million, four hundred thirty-six thousand, three hundred sixty-eight".