461091 has 8 divisors (see below), whose sum is σ = 651024. Its totient is φ = 289280.

The previous prime is 461059. The next prime is 461093. The reversal of 461091 is 190164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 461091 - 2⁵ = 461059 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 461091.

It is not an unprimeable number, because it can be changed into a prime (461093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4470 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (81378).

2⁴⁶¹⁰⁹¹ is an apocalyptic number.

461091 is a deficient number, since it is larger than the sum of its proper divisors (189933).

461091 is a wasteful number, since it uses less digits than its factorization.

461091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 461091 is about 679.0368178531. The cubic root of 461091 is about 77.2554064565.

The spelling of 461091 in words is "four hundred sixty-one thousand, ninety-one".