947894 has 16 divisors (see below), whose sum is σ = 1501200. Its totient is φ = 448224.

The previous prime is 947893. The next prime is 947911. The reversal of 947894 is 498749.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

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 947894.

It is not an unprimeable number, because it can be changed into a prime (947893) 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 7 ways as a sum of consecutive naturals, for example, 3284 + ... + 3560.

It is an arithmetic number, because the mean of its divisors is an integer number (93825).

2⁹⁴⁷⁸⁹⁴ is an apocalyptic number.

947894 is a deficient number, since it is larger than the sum of its proper divisors (553306).

947894 is a wasteful number, since it uses less digits than its factorization.

947894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367.

The product of its digits is 72576, while the sum is 41.

The square root of 947894 is about 973.5984798673. The cubic root of 947894 is about 98.2320614626.

The spelling of 947894 in words is "nine hundred forty-seven thousand, eight hundred ninety-four".