499647 has 16 divisors (see below), whose sum is σ = 719712. Its totient is φ = 307200.

The previous prime is 499637. The next prime is 499649. The reversal of 499647 is 746994.

It is not a de Polignac number, because 499647 - 2⁷ = 499519 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499647.

It is not an unprimeable number, because it can be changed into a prime (499649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4897 + ... + 4997.

It is an arithmetic number, because the mean of its divisors is an integer number (44982).

2⁴⁹⁹⁶⁴⁷ is an apocalyptic number.

499647 is a deficient number, since it is larger than the sum of its proper divisors (220065).

499647 is a wasteful number, since it uses less digits than its factorization.

499647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218.

The product of its digits is 54432, while the sum is 39.

The square root of 499647 is about 706.8571284213. The cubic root of 499647 is about 79.3513697820.

The spelling of 499647 in words is "four hundred ninety-nine thousand, six hundred forty-seven".