387950 has 12 divisors (see below), whose sum is σ = 721680. Its totient is φ = 155160.
The previous prime is 387917. The next prime is 387953. The reversal of 387950 is 59783.
387950 is nontrivially palindromic in base 7.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (387953) by changing a digit.
387950 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3830 + ... + 3929.
It is an arithmetic number, because the mean of its divisors is an integer number (60140).
2387950 is an apocalyptic number.
387950 is a deficient number, since it is larger than the sum of its proper divisors (333730).
387950 is a wasteful number, since it uses less digits than its factorization.
387950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7771 (or 7766 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 387950 is about 622.8563237216. The cubic root of 387950 is about 72.9331971592.
The spelling of 387950 in words is "three hundred eighty-seven thousand, nine hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •