798019 has 8 divisors (see below), whose sum is σ = 850640. Its totient is φ = 746496.

The previous prime is 797987. The next prime is 798023. The reversal of 798019 is 910897.

798019 = 126² + 127² + ... + 163².

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

It is a 10-Lehmer number, since φ(798019) divides (798019-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 798019 - 2⁵ = 797987 is a prime.

It is a super-2 number, since 2×798019² = 1273668648722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798059) 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, 1627 + ... + 2059.

It is an arithmetic number, because the mean of its divisors is an integer number (106330).

2⁷⁹⁸⁰¹⁹ is an apocalyptic number.

798019 is a deficient number, since it is larger than the sum of its proper divisors (52621).

798019 is a wasteful number, since it uses less digits than its factorization.

798019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 798019 is about 893.3190919263. The cubic root of 798019 is about 92.7550884420.

The spelling of 798019 in words is "seven hundred ninety-eight thousand, nineteen".