497646 has 12 divisors (see below), whose sum is σ = 1078272. Its totient is φ = 165876.

The previous prime is 497633. The next prime is 497659. The reversal of 497646 is 646794.

497646 is a `hidden beast` number, since 4 + 9 + 7 + 646 = 666.

It is an interprime number because it is at equal distance from previous prime (497633) and next prime (497659).

It is a self number, because there is not a number n which added to its sum of digits gives 497646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13806 + ... + 13841.

It is an arithmetic number, because the mean of its divisors is an integer number (89856).

2⁴⁹⁷⁶⁴⁶ is an apocalyptic number.

497646 is an abundant number, since it is smaller than the sum of its proper divisors (580626).

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

497646 is a wasteful number, since it uses less digits than its factorization.

497646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27655 (or 27652 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 497646 is about 705.4402880471. The cubic root of 497646 is about 79.2452985432.

It can be divided in two parts, 49764 and 6, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 497646 in words is "four hundred ninety-seven thousand, six hundred forty-six".