4208987 has 4 divisors (see below), whose sum is σ = 4214016. Its totient is φ = 4203960.

The previous prime is 4208983. The next prime is 4208999. The reversal of 4208987 is 7898024.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4208987 - 2² = 4208983 is a prime.

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 4208987.

It is not an unprimeable number, because it can be changed into a prime (4208983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923 + ... + 3044.

It is an arithmetic number, because the mean of its divisors is an integer number (1053504).

Almost surely, 2^4208987 is an apocalyptic number.

4208987 is a deficient number, since it is larger than the sum of its proper divisors (5029).

4208987 is a wasteful number, since it uses less digits than its factorization.

4208987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 4208987 is about 2051.5815850217. The cubic root of 4208987 is about 161.4578610582.

The spelling of 4208987 in words is "four million, two hundred eight thousand, nine hundred eighty-seven".