891461 has 4 divisors (see below), whose sum is σ = 938400. Its totient is φ = 844524.

The previous prime is 891439. The next prime is 891481. The reversal of 891461 is 164198.

891461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 891461 - 2¹⁰ = 890437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891421) 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, 23441 + ... + 23478.

It is an arithmetic number, because the mean of its divisors is an integer number (234600).

2⁸⁹¹⁴⁶¹ is an apocalyptic number.

It is an amenable number.

891461 is a deficient number, since it is larger than the sum of its proper divisors (46939).

891461 is a wasteful number, since it uses less digits than its factorization.

891461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46938.

The product of its digits is 1728, while the sum is 29.

The square root of 891461 is about 944.1721241384. The cubic root of 891461 is about 96.2426226987.

The spelling of 891461 in words is "eight hundred ninety-one thousand, four hundred sixty-one".