1828615812 has 24 divisors (see below), whose sum is σ = 4517757216. Its totient is φ = 573683328.

The previous prime is 1828615783. The next prime is 1828615823. The reversal of 1828615812 is 2185168281.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4481698 + ... + 4482105.

It is an arithmetic number, because the mean of its divisors is an integer number (188239884).

Almost surely, 2^1828615812 is an apocalyptic number.

1828615812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1828615812 is an abundant number, since it is smaller than the sum of its proper divisors (2689141404).

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

1828615812 is a wasteful number, since it uses less digits than its factorization.

1828615812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8963827 (or 8963825 counting only the distinct ones).

The product of its digits is 61440, while the sum is 42.

The square root of 1828615812 is about 42762.3176640369. The cubic root of 1828615812 is about 1222.8527285417.

The spelling of 1828615812 in words is "one billion, eight hundred twenty-eight million, six hundred fifteen thousand, eight hundred twelve".