791641 has 4 divisors (see below), whose sum is σ = 793872. Its totient is φ = 789412.

The previous prime is 791629. The next prime is 791657. The reversal of 791641 is 146197.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 791641 - 2¹⁹ = 267353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (792641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451 + ... + 1336.

It is an arithmetic number, because the mean of its divisors is an integer number (198468).

2⁷⁹¹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

791641 is a deficient number, since it is larger than the sum of its proper divisors (2231).

791641 is a wasteful number, since it uses less digits than its factorization.

791641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230.

The product of its digits is 1512, while the sum is 28.

The square root of 791641 is about 889.7420974642. The cubic root of 791641 is about 92.5073186320.

The spelling of 791641 in words is "seven hundred ninety-one thousand, six hundred forty-one".