947800 has 48 divisors (see below), whose sum is σ = 2522160. Its totient is φ = 324480.

The previous prime is 947783. The next prime is 947803. The reversal of 947800 is 8749.

947800 = T₁₂₀ + T₁₂₁ + ... + T₁₉₄.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1062 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (52545).

2⁹⁴⁷⁸⁰⁰ 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 947800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261080).

947800 is an abundant number, since it is smaller than the sum of its proper divisors (1574360).

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

947800 is a wasteful number, since it uses less digits than its factorization.

947800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 947800 is about 973.5502041497. The cubic root of 947800 is about 98.2288142222.

The spelling of 947800 in words is "nine hundred forty-seven thousand, eight hundred".