10386987 has 8 divisors (see below), whose sum is σ = 14914704. Its totient is φ = 6391968.

The previous prime is 10386979. The next prime is 10386989. The reversal of 10386987 is 78968301.

10386987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10386987 - 2³ = 10386979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10386989) 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, 133128 + ... + 133205.

It is an arithmetic number, because the mean of its divisors is an integer number (1864338).

Almost surely, 2^10386987 is an apocalyptic number.

10386987 is a deficient number, since it is larger than the sum of its proper divisors (4527717).

10386987 is a wasteful number, since it uses less digits than its factorization.

10386987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266349.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 10386987 is about 3222.8848877985. The cubic root of 10386987 is about 218.1874982581.

The spelling of 10386987 in words is "ten million, three hundred eighty-six thousand, nine hundred eighty-seven".