493986 has 32 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 148736.

The previous prime is 493979. The next prime is 493993. The reversal of 493986 is 689394.

493986 = T₂₈ + T₂₉ + ... + T₁₄₃.

It is an interprime number because it is at equal distance from previous prime (493979) and next prime (493993).

It is an unprimeable number.

493986 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2875 + ... + 3041.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2⁴⁹³⁹⁸⁶ is an apocalyptic number.

493986 is an abundant number, since it is smaller than the sum of its proper divisors (594654).

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

493986 is a wasteful number, since it uses less digits than its factorization.

493986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218.

The product of its digits is 46656, while the sum is 39.

The square root of 493986 is about 702.8413761298. The cubic root of 493986 is about 79.0505471523.

The spelling of 493986 in words is "four hundred ninety-three thousand, nine hundred eighty-six".