4111987 has 8 divisors (see below), whose sum is σ = 4516272. Its totient is φ = 3712800.

The previous prime is 4111973. The next prime is 4111993. The reversal of 4111987 is 7891114.

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

It is a cyclic number.

It is not a de Polignac number, because 4111987 - 2⁷ = 4111859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4111967) 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, 537 + ... + 2917.

It is an arithmetic number, because the mean of its divisors is an integer number (564534).

Almost surely, 2^4111987 is an apocalyptic number.

4111987 is a deficient number, since it is larger than the sum of its proper divisors (404285).

4111987 is a wasteful number, since it uses less digits than its factorization.

4111987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549.

The product of its digits is 2016, while the sum is 31.

The square root of 4111987 is about 2027.8034914656. The cubic root of 4111987 is about 160.2078938215.

The spelling of 4111987 in words is "four million, one hundred eleven thousand, nine hundred eighty-seven".