791845 has 16 divisors (see below), whose sum is σ = 1013760. Its totient is φ = 592704.

The previous prime is 791827. The next prime is 791849. The reversal of 791845 is 548197.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 791845 - 2¹⁹ = 267557 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 791845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791849) 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, 6172 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (63360).

2⁷⁹¹⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

791845 is a deficient number, since it is larger than the sum of its proper divisors (221915).

791845 is a wasteful number, since it uses less digits than its factorization.

791845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its digits is 10080, while the sum is 34.

The square root of 791845 is about 889.8567300414. The cubic root of 791845 is about 92.5152640990.

The spelling of 791845 in words is "seven hundred ninety-one thousand, eight hundred forty-five".