486749 has 4 divisors (see below), whose sum is σ = 507936. Its totient is φ = 465564.

The previous prime is 486721. The next prime is 486757. The reversal of 486749 is 947684.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-486749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486769) 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 3 ways as a sum of consecutive naturals, for example, 10559 + ... + 10604.

It is an arithmetic number, because the mean of its divisors is an integer number (126984).

2⁴⁸⁶⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

486749 is a deficient number, since it is larger than the sum of its proper divisors (21187).

486749 is a wasteful number, since it uses less digits than its factorization.

486749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21186.

The product of its digits is 48384, while the sum is 38.

The square root of 486749 is about 697.6739926355. The cubic root of 486749 is about 78.6626107105.

The spelling of 486749 in words is "four hundred eighty-six thousand, seven hundred forty-nine".