304880 has 40 divisors (see below), whose sum is σ = 735072. Its totient is φ = 117504.
The previous prime is 304879. The next prime is 304883. The reversal of 304880 is 88403.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (304883) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2909 + ... + 3011.
2304880 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 304880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367536).
304880 is an abundant number, since it is smaller than the sum of its proper divisors (430192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
304880 is a wasteful number, since it uses less digits than its factorization.
304880 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153 (or 147 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
The square root of 304880 is about 552.1593972758. The cubic root of 304880 is about 67.3043258599.
The spelling of 304880 in words is "three hundred four thousand, eight hundred eighty".
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