486990 has 48 divisors (see below), whose sum is σ = 1448928. Its totient is φ = 111168.

The previous prime is 486977. The next prime is 486991. The reversal of 486990 is 99684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244 + ... + 1016.

It is an arithmetic number, because the mean of its divisors is an integer number (30186).

2⁴⁸⁶⁹⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 486990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724464).

486990 is an abundant number, since it is smaller than the sum of its proper divisors (961938).

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

486990 is a wasteful number, since it uses less digits than its factorization.

486990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 486990 is about 697.8466880340. The cubic root of 486990 is about 78.6755910907.

The spelling of 486990 in words is "four hundred eighty-six thousand, nine hundred ninety".