1806798 has 16 divisors (see below), whose sum is σ = 4129920. Its totient is φ = 516216.

The previous prime is 1806797. The next prime is 1806803. The reversal of 1806798 is 8976081.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1806797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21468 + ... + 21551.

It is an arithmetic number, because the mean of its divisors is an integer number (258120).

2^1806798 is an apocalyptic number.

1806798 is an abundant number, since it is smaller than the sum of its proper divisors (2323122).

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

1806798 is a wasteful number, since it uses less digits than its factorization.

1806798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43031.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1806798 is about 1344.1718640114. The cubic root of 1806798 is about 121.7969838636.

The spelling of 1806798 in words is "one million, eight hundred six thousand, seven hundred ninety-eight".