387808 has 12 divisors (see below), whose sum is σ = 763560. Its totient is φ = 193888.
The previous prime is 387799. The next prime is 387839. The reversal of 387808 is 808783.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6028 + ... + 6091.
It is an arithmetic number, because the mean of its divisors is an integer number (63630).
2387808 is an apocalyptic number.
It is an amenable number.
387808 is a deficient number, since it is larger than the sum of its proper divisors (375752).
387808 is a wasteful number, since it uses less digits than its factorization.
387808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12129 (or 12121 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 34.
The square root of 387808 is about 622.7423223132. The cubic root of 387808 is about 72.9242975778.
The spelling of 387808 in words is "three hundred eighty-seven thousand, eight hundred eight".
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