798655 has 16 divisors (see below), whose sum is σ = 1126944. Its totient is φ = 535680.

The previous prime is 798649. The next prime is 798667. The reversal of 798655 is 556897.

It is a happy number.

It is not a de Polignac number, because 798655 - 2³ = 798647 is a prime.

It is an Ulam number.

It is a congruent number.

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, 157 + ... + 1273.

It is an arithmetic number, because the mean of its divisors is an integer number (70434).

2⁷⁹⁸⁶⁵⁵ is an apocalyptic number.

798655 is a deficient number, since it is larger than the sum of its proper divisors (328289).

798655 is a wasteful number, since it uses less digits than its factorization.

798655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its digits is 75600, while the sum is 40.

The square root of 798655 is about 893.6749968529. The cubic root of 798655 is about 92.7797230148.

The spelling of 798655 in words is "seven hundred ninety-eight thousand, six hundred fifty-five".