947776 has 28 divisors (see below), whose sum is σ = 1920240. Its totient is φ = 464000.

The previous prime is 947773. The next prime is 947783. The reversal of 947776 is 677749.

It is a happy number.

It is a d-powerful number, because it can be written as 9² + 4⁶ + 7⁴ + 7⁶ + 7⁷ + 6 .

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (947773) 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, 3651 + ... + 3901.

It is an arithmetic number, because the mean of its divisors is an integer number (68580).

2⁹⁴⁷⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 947776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960120).

947776 is an abundant number, since it is smaller than the sum of its proper divisors (972464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

947776 is a wasteful number, since it uses less digits than its factorization.

947776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 312 counting only the distinct ones).

The product of its digits is 74088, while the sum is 40.

The square root of 947776 is about 973.5378780510. The cubic root of 947776 is about 98.2279851052.

The spelling of 947776 in words is "nine hundred forty-seven thousand, seven hundred seventy-six".