1806889248 has 96 divisors (see below), whose sum is σ = 5290225920. Its totient is φ = 599996160.

The previous prime is 1806889247. The next prime is 1806889261. The reversal of 1806889248 is 8429886081.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1806889194 and 1806889203.

It is not an unprimeable number, because it can be changed into a prime (1806889241) 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, 230286 + ... + 238002.

It is an arithmetic number, because the mean of its divisors is an integer number (55106520).

Almost surely, 2^1806889248 is an apocalyptic number.

1806889248 is a gapful number since it is divisible by the number (18) 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 1806889248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2645112960).

1806889248 is an abundant number, since it is smaller than the sum of its proper divisors (3483336672).

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

1806889248 is a wasteful number, since it uses less digits than its factorization.

1806889248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8007 (or 7993 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The square root of 1806889248 is about 42507.5198994249. The cubic root of 1806889248 is about 1217.9903418390.

The spelling of 1806889248 in words is "one billion, eight hundred six million, eight hundred eighty-nine thousand, two hundred forty-eight".