1284430460 has 24 divisors (see below), whose sum is σ = 2698738560. Its totient is φ = 513498944.

The previous prime is 1284430453. The next prime is 1284430463. The reversal of 1284430460 is 640344821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284430463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23861 + ... + 56019.

It is an arithmetic number, because the mean of its divisors is an integer number (112447440).

Almost surely, 2^1284430460 is an apocalyptic number.

1284430460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1284430460 is an abundant number, since it is smaller than the sum of its proper divisors (1414308100).

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

1284430460 is a wasteful number, since it uses less digits than its factorization.

1284430460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34165 (or 34163 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 1284430460 is about 35838.9517145800. The cubic root of 1284430460 is about 1087.0183247600.

The spelling of 1284430460 in words is "one billion, two hundred eighty-four million, four hundred thirty thousand, four hundred sixty".