1798816 has 24 divisors (see below), whose sum is σ = 3598560. Its totient is φ = 884928.

The previous prime is 1798813. The next prime is 1798817. The reversal of 1798816 is 6188971.

It is not an unprimeable number, because it can be changed into a prime (1798813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1725 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (149940).

2^1798816 is an apocalyptic number.

1798816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1798816 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1798816 is an equidigital number, since it uses as much as digits as its factorization.

1798816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 908 counting only the distinct ones).

The product of its digits is 24192, while the sum is 40.

The square root of 1798816 is about 1341.1994631672. The cubic root of 1798816 is about 121.6173624793.

The spelling of 1798816 in words is "one million, seven hundred ninety-eight thousand, eight hundred sixteen".