1813098 has 32 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 517440.

The previous prime is 1813081. The next prime is 1813121. The reversal of 1813098 is 8903181.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

2^1813098 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1813098, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2116800).

1813098 is an abundant number, since it is smaller than the sum of its proper divisors (2420502).

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

1813098 is an equidigital number, since it uses as much as digits as its factorization.

1813098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 1813098 is about 1346.5132750924. The cubic root of 1813098 is about 121.9383814967.

The spelling of 1813098 in words is "one million, eight hundred thirteen thousand, ninety-eight".