1798098 has 8 divisors (see below), whose sum is σ = 3596208. Its totient is φ = 599364.

The previous prime is 1798081. The next prime is 1798109. The reversal of 1798098 is 8908971.

It is a sphenic number, since it is the product of 3 distinct primes.

1798098 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149836 + ... + 149847.

It is an arithmetic number, because the mean of its divisors is an integer number (449526).

2^1798098 is an apocalyptic number.

1798098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1798098 is a wasteful number, since it uses less digits than its factorization.

1798098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299688.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 1798098 is about 1340.9317656018. The cubic root of 1798098 is about 121.6011790773.

The spelling of 1798098 in words is "one million, seven hundred ninety-eight thousand, ninety-eight".