4218486 has 8 divisors (see below), whose sum is σ = 8436984. Its totient is φ = 1406160.

The previous prime is 4218469. The next prime is 4218497. The reversal of 4218486 is 6848124.

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

4218486 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351535 + ... + 351546.

It is an arithmetic number, because the mean of its divisors is an integer number (1054623).

Almost surely, 2^4218486 is an apocalyptic number.

4218486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4218486 is a wasteful number, since it uses less digits than its factorization.

4218486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703086.

The product of its digits is 12288, while the sum is 33.

The square root of 4218486 is about 2053.8953235255. The cubic root of 4218486 is about 161.5792311887.

It can be divided in two parts, 42 and 18486, that added together give a triangular number (18528 = T₁₉₂).

The spelling of 4218486 in words is "four million, two hundred eighteen thousand, four hundred eighty-six".