847461 has 4 divisors (see below), whose sum is σ = 1129952. Its totient is φ = 564972.

The previous prime is 847453. The next prime is 847477. The reversal of 847461 is 164748.

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 not a de Polignac number, because 847461 - 2³ = 847453 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847361) 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, 141241 + ... + 141246.

It is an arithmetic number, because the mean of its divisors is an integer number (282488).

2⁸⁴⁷⁴⁶¹ is an apocalyptic number.

It is an amenable number.

847461 is a deficient number, since it is larger than the sum of its proper divisors (282491).

847461 is a wasteful number, since it uses less digits than its factorization.

847461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282490.

The product of its digits is 5376, while the sum is 30.

The square root of 847461 is about 920.5764498400. The cubic root of 847461 is about 94.6324114529.

The spelling of 847461 in words is "eight hundred forty-seven thousand, four hundred sixty-one".