4004986 has 8 divisors (see below), whose sum is σ = 6019200. Its totient is φ = 1998588.

The previous prime is 4004951. The next prime is 4004989. The reversal of 4004986 is 6894004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4004989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (752400).

Almost surely, 2^4004986 is an apocalyptic number.

4004986 is a deficient number, since it is larger than the sum of its proper divisors (2014214).

4004986 is a wasteful number, since it uses less digits than its factorization.

4004986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3908.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4004986 is about 2001.2461118013. The cubic root of 4004986 is about 158.8060343246.

The spelling of 4004986 in words is "four million, four thousand, nine hundred eighty-six".