798669 has 6 divisors (see below), whose sum is σ = 1153646. Its totient is φ = 532440.

The previous prime is 798667. The next prime is 798691. The reversal of 798669 is 966897.

It can be written as a sum of positive squares in only one way, i.e., 585225 + 213444 = 765^2 + 462^2 .

It is not a de Polignac number, because 798669 - 2¹ = 798667 is a prime.

It is a super-2 number, since 2×798669² = 1275744343122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44362 + ... + 44379.

2⁷⁹⁸⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

798669 is a deficient number, since it is larger than the sum of its proper divisors (354977).

798669 is a wasteful number, since it uses less digits than its factorization.

798669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88747 (or 88744 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 798669 is about 893.6828296437. The cubic root of 798669 is about 92.7802651381.

The spelling of 798669 in words is "seven hundred ninety-eight thousand, six hundred sixty-nine".