1828936443 has 6 divisors (see below), whose sum is σ = 2438680692. Its totient is φ = 1219241580.

The previous prime is 1828936433. The next prime is 1828936469. The reversal of 1828936443 is 3446398281.

It is not a de Polignac number, because 1828936443 - 2¹³ = 1828928251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1828936392 and 1828936401.

It is not an unprimeable number, because it can be changed into a prime (1828936433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61728 + ... + 86418.

It is an arithmetic number, because the mean of its divisors is an integer number (406446782).

Almost surely, 2^1828936443 is an apocalyptic number.

1828936443 is a deficient number, since it is larger than the sum of its proper divisors (609744249).

1828936443 is an frugal number, since it uses more digits than its factorization.

1828936443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49385 (or 24694 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The square root of 1828936443 is about 42766.0664896831. The cubic root of 1828936443 is about 1222.9241963657.

Multiplying 1828936443 by its sum of digits (48), we get a square (87788949264 = 296292²).

The spelling of 1828936443 in words is "one billion, eight hundred twenty-eight million, nine hundred thirty-six thousand, four hundred forty-three".