947005 has 4 divisors (see below), whose sum is σ = 1136412. Its totient is φ = 757600.

The previous prime is 946997. The next prime is 947027. The reversal of 947005 is 500749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500749 = 61 ⋅8209.

It can be written as a sum of positive squares in 2 ways, for example, as 191844 + 755161 = 438^2 + 869^2 .

It is not a de Polignac number, because 947005 - 2³ = 946997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94696 + ... + 94705.

It is an arithmetic number, because the mean of its divisors is an integer number (284103).

2⁹⁴⁷⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

947005 is a deficient number, since it is larger than the sum of its proper divisors (189407).

947005 is a wasteful number, since it uses less digits than its factorization.

947005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189406.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 947005 is about 973.1418190583. The cubic root of 947005 is about 98.2013422691.

The spelling of 947005 in words is "nine hundred forty-seven thousand, five".