4180985 has 8 divisors (see below), whose sum is σ = 5028480. Its totient is φ = 3337264.

The previous prime is 4180961. The next prime is 4180987. The reversal of 4180985 is 5890814.

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 4180985 - 2⁶ = 4180921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4180987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3014 + ... + 4176.

It is an arithmetic number, because the mean of its divisors is an integer number (628560).

Almost surely, 2^4180985 is an apocalyptic number.

It is an amenable number.

4180985 is a deficient number, since it is larger than the sum of its proper divisors (847495).

4180985 is a wasteful number, since it uses less digits than its factorization.

4180985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 4180985 is about 2044.7457054607. The cubic root of 4180985 is about 161.0990093522.

The spelling of 4180985 in words is "four million, one hundred eighty thousand, nine hundred eighty-five".