4008987 has 16 divisors (see below), whose sum is σ = 6101280. Its totient is φ = 2599776.

The previous prime is 4008971. The next prime is 4008997. The reversal of 4008987 is 7898004.

It is not a de Polignac number, because 4008987 - 2⁴ = 4008971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4008947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008 + ... + 3005.

It is an arithmetic number, because the mean of its divisors is an integer number (381330).

Almost surely, 2^4008987 is an apocalyptic number.

4008987 is a deficient number, since it is larger than the sum of its proper divisors (2092293).

4008987 is a wasteful number, since it uses less digits than its factorization.

4008987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059 (or 4053 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 4008987 is about 2002.2454894443. The cubic root of 4008987 is about 158.8588993847.

The spelling of 4008987 in words is "four million, eight thousand, nine hundred eighty-seven".