4011687 has 14 divisors (see below), whose sum is σ = 6015872. Its totient is φ = 2673972.

The previous prime is 4011673. The next prime is 4011701. The reversal of 4011687 is 7861104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4011673) and next prime (4011701).

It is not a de Polignac number, because 4011687 - 2⁴ = 4011671 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 4011687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4011647) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2023 + ... + 3480.

Almost surely, 2^4011687 is an apocalyptic number.

4011687 is a deficient number, since it is larger than the sum of its proper divisors (2004185).

4011687 is an frugal number, since it uses more digits than its factorization.

4011687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521 (or 5506 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 4011687 is about 2002.9196189563. The cubic root of 4011687 is about 158.8945545077.

The spelling of 4011687 in words is "four million, eleven thousand, six hundred eighty-seven".