1528871382 has 32 divisors (see below), whose sum is σ = 3398981760. Its totient is φ = 509400360.

The previous prime is 1528871303. The next prime is 1528871389. The reversal of 1528871382 is 2831788251.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528871389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157893 + ... + 167295.

It is an arithmetic number, because the mean of its divisors is an integer number (106218180).

Almost surely, 2^1528871382 is an apocalyptic number.

1528871382 is an abundant number, since it is smaller than the sum of its proper divisors (1870110378).

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

1528871382 is a wasteful number, since it uses less digits than its factorization.

1528871382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12425 (or 12419 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 1528871382 is about 39100.7849281827. The cubic root of 1528871382 is about 1152.0119492033.

The spelling of 1528871382 in words is "one billion, five hundred twenty-eight million, eight hundred seventy-one thousand, three hundred eighty-two".