791655 has 16 divisors (see below), whose sum is σ = 1283040. Its totient is φ = 416768.

The previous prime is 791629. The next prime is 791657. The reversal of 791655 is 556197.

It is a cyclic number.

It is not a de Polignac number, because 791655 - 2¹⁵ = 758887 is a prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 791655.

It is not an unprimeable number, because it can be changed into a prime (791657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039 + ... + 1631.

It is an arithmetic number, because the mean of its divisors is an integer number (80190).

2⁷⁹¹⁶⁵⁵ is an apocalyptic number.

791655 is a deficient number, since it is larger than the sum of its proper divisors (491385).

791655 is a wasteful number, since it uses less digits than its factorization.

791655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its digits is 9450, while the sum is 33.

The square root of 791655 is about 889.7499648778. The cubic root of 791655 is about 92.5078639528.

The spelling of 791655 in words is "seven hundred ninety-one thousand, six hundred fifty-five".