10283987 has 4 divisors (see below), whose sum is σ = 11753136. Its totient is φ = 8814840.

The previous prime is 10283981. The next prime is 10284011. The reversal of 10283987 is 78938201.

10283987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10283987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10283987.

It is not an unprimeable number, because it can be changed into a prime (10283981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734564 + ... + 734577.

It is an arithmetic number, because the mean of its divisors is an integer number (2938284).

Almost surely, 2^10283987 is an apocalyptic number.

10283987 is a deficient number, since it is larger than the sum of its proper divisors (1469149).

10283987 is an equidigital number, since it uses as much as digits as its factorization.

10283987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469148.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 10283987 is about 3206.8656036697. The cubic root of 10283987 is about 217.4639002931.

The spelling of 10283987 in words is "ten million, two hundred eighty-three thousand, nine hundred eighty-seven".