1326532284 has 288 divisors, whose sum is σ = 4428103680. Its totient is φ = 324777600.

The previous prime is 1326532271. The next prime is 1326532301. The reversal of 1326532284 is 4822356231.

1326532284 is a `hidden beast` number, since 1 + 326 + 5 + 322 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3694897 + ... + 3695255.

It is an arithmetic number, because the mean of its divisors is an integer number (15375360).

Almost surely, 2^1326532284 is an apocalyptic number.

1326532284 is a gapful number since it is divisible by the number (14) 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 1326532284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2214051840).

1326532284 is an abundant number, since it is smaller than the sum of its proper divisors (3101571396).

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

1326532284 is a wasteful number, since it uses less digits than its factorization.

1326532284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 456 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 1326532284 is about 36421.5909042974. The cubic root of 1326532284 is about 1098.7678445696.

The spelling of 1326532284 in words is "one billion, three hundred twenty-six million, five hundred thirty-two thousand, two hundred eighty-four".