4989018 has 8 divisors (see below), whose sum is σ = 9978048. Its totient is φ = 1663004.

The previous prime is 4988993. The next prime is 4989029. The reversal of 4989018 is 8109894.

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

4989018 is an admirable number.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415746 + ... + 415757.

It is an arithmetic number, because the mean of its divisors is an integer number (1247256).

Almost surely, 2^4989018 is an apocalyptic number.

4989018 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.

4989018 is a wasteful number, since it uses less digits than its factorization.

4989018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831508.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 4989018 is about 2233.6109777667. The cubic root of 4989018 is about 170.8723098587.

The spelling of 4989018 in words is "four million, nine hundred eighty-nine thousand, eighteen".