871472 has 40 divisors (see below), whose sum is σ = 1999872. Its totient is φ = 360000.
The previous prime is 871463. The next prime is 871477. The reversal of 871472 is 274178.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (871477) by changing a digit.
871472 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347 + ... + 3597.
2871472 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 871472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999936).
871472 is an abundant number, since it is smaller than the sum of its proper divisors (1128400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
871472 is a wasteful number, since it uses less digits than its factorization.
871472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 297 (or 291 counting only the distinct ones).
The product of its digits is 3136, while the sum is 29.
The square root of 871472 is about 933.5266466470. The cubic root of 871472 is about 95.5178370053.
The spelling of 871472 in words is "eight hundred seventy-one thousand, four hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •