1828971312 has 80 divisors (see below), whose sum is σ = 5684040960. Its totient is φ = 495058176.

The previous prime is 1828971307. The next prime is 1828971379. The reversal of 1828971312 is 2131798281.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 136863 + ... + 149630.

It is an arithmetic number, because the mean of its divisors is an integer number (71050512).

Almost surely, 2^1828971312 is an apocalyptic number.

1828971312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1828971312 is an abundant number, since it is smaller than the sum of its proper divisors (3855069648).

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

1828971312 is a wasteful number, since it uses less digits than its factorization.

1828971312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286530 (or 286524 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 1828971312 is about 42766.4741590887. The cubic root of 1828971312 is about 1222.9319680724.

The spelling of 1828971312 in words is "one billion, eight hundred twenty-eight million, nine hundred seventy-one thousand, three hundred twelve".