493647 has 16 divisors (see below), whose sum is σ = 820992. Its totient is φ = 256320.

The previous prime is 493643. The next prime is 493657. The reversal of 493647 is 746394.

It is not a de Polignac number, because 493647 - 2² = 493643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493643) 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, 838 + ... + 1299.

It is an arithmetic number, because the mean of its divisors is an integer number (51312).

2⁴⁹³⁶⁴⁷ is an apocalyptic number.

493647 is a deficient number, since it is larger than the sum of its proper divisors (327345).

493647 is a wasteful number, since it uses less digits than its factorization.

493647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158.

The product of its digits is 18144, while the sum is 33.

The square root of 493647 is about 702.6001707942. The cubic root of 493647 is about 79.0324600891.

The spelling of 493647 in words is "four hundred ninety-three thousand, six hundred forty-seven".