486621 has 16 divisors (see below), whose sum is σ = 734400. Its totient is φ = 318384.

The previous prime is 486617. The next prime is 486637. The reversal of 486621 is 126684.

486621 = 50² + 51² + ... + 116².

It is not a de Polignac number, because 486621 - 2² = 486617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

486621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486601) 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 15 ways as a sum of consecutive naturals, for example, 1675 + ... + 1943.

It is an arithmetic number, because the mean of its divisors is an integer number (45900).

2⁴⁸⁶⁶²¹ is an apocalyptic number.

It is an amenable number.

486621 is a deficient number, since it is larger than the sum of its proper divisors (247779).

486621 is a wasteful number, since it uses less digits than its factorization.

486621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 339 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 486621 is about 697.5822532146. The cubic root of 486621 is about 78.6557148244.

The spelling of 486621 in words is "four hundred eighty-six thousand, six hundred twenty-one".