4180987 has 2 divisors, whose sum is σ = 4180988. Its totient is φ = 4180986.

The previous prime is 4180961. The next prime is 4181041. The reversal of 4180987 is 7890814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4180987 - 2¹⁵ = 4148219 is a prime.

It is a Chen prime.

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is not a weakly prime, because it can be changed into another prime (4180927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2090493 + 2090494.

It is an arithmetic number, because the mean of its divisors is an integer number (2090494).

Almost surely, 2^4180987 is an apocalyptic number.

4180987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4180987 is an equidigital number, since it uses as much as digits as its factorization.

4180987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 4180987 is about 2044.7461945190. The cubic root of 4180987 is about 161.0990350397.

The spelling of 4180987 in words is "four million, one hundred eighty thousand, nine hundred eighty-seven".