947087 has 4 divisors (see below), whose sum is σ = 1002816. Its totient is φ = 891360.

The previous prime is 947083. The next prime is 947119. The reversal of 947087 is 780749.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780749 = 173 ⋅4513.

It is a cyclic number.

It is not a de Polignac number, because 947087 - 2² = 947083 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 947087.

It is not an unprimeable number, because it can be changed into a prime (947083) by changing a digit.

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, 27839 + ... + 27872.

It is an arithmetic number, because the mean of its divisors is an integer number (250704).

2⁹⁴⁷⁰⁸⁷ is an apocalyptic number.

947087 is a deficient number, since it is larger than the sum of its proper divisors (55729).

947087 is a wasteful number, since it uses less digits than its factorization.

947087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55728.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 947087 is about 973.1839497238. The cubic root of 947087 is about 98.2041765652.

The spelling of 947087 in words is "nine hundred forty-seven thousand, eighty-seven".