1801097798 has 8 divisors (see below), whose sum is σ = 2701855440. Its totient is φ = 900479320.

The previous prime is 1801097789. The next prime is 1801097801. The reversal of 1801097798 is 8977901081.

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

It is a congruent number.

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, 8183 + ... + 60573.

It is an arithmetic number, because the mean of its divisors is an integer number (337731930).

Almost surely, 2^1801097798 is an apocalyptic number.

1801097798 is a deficient number, since it is larger than the sum of its proper divisors (900757642).

1801097798 is a wasteful number, since it uses less digits than its factorization.

1801097798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69582.

The product of its (nonzero) digits is 254016, while the sum is 50.

The square root of 1801097798 is about 42439.3425726648. The cubic root of 1801097798 is about 1216.6876462344.

The spelling of 1801097798 in words is "one billion, eight hundred one million, ninety-seven thousand, seven hundred ninety-eight".