4387867 has 8 divisors (see below), whose sum is σ = 4916592. Its totient is φ = 3880800.

The previous prime is 4387847. The next prime is 4387891. The reversal of 4387867 is 7687834.

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

It is not a de Polignac number, because 4387867 - 2¹¹ = 4385819 is a prime.

It is a Duffinian number.

4387867 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4387807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4984 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (614574).

Almost surely, 2^4387867 is an apocalyptic number.

4387867 is a deficient number, since it is larger than the sum of its proper divisors (528725).

4387867 is a wasteful number, since it uses less digits than its factorization.

4387867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829.

The product of its digits is 225792, while the sum is 43.

The square root of 4387867 is about 2094.7236094530. The cubic root of 4387867 is about 163.7134969038.

The spelling of 4387867 in words is "four million, three hundred eighty-seven thousand, eight hundred sixty-seven".