1284483500 has 48 divisors (see below), whose sum is σ = 2811830112. Its totient is φ = 512600000.

The previous prime is 1284483493. The next prime is 1284483517. The reversal of 1284483500 is 53844821.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230750 + ... + 236250.

It is an arithmetic number, because the mean of its divisors is an integer number (58579794).

Almost surely, 2^1284483500 is an apocalyptic number.

1284483500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1284483500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1405915056).

1284483500 is an abundant number, since it is smaller than the sum of its proper divisors (1527346612).

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

1284483500 is a wasteful number, since it uses less digits than its factorization.

1284483500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987 (or 5975 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 1284483500 is about 35839.6916839417. The cubic root of 1284483500 is about 1087.0332872045.

The spelling of 1284483500 in words is "one billion, two hundred eighty-four million, four hundred eighty-three thousand, five hundred".