497656 has 8 divisors (see below), whose sum is σ = 933120. Its totient is φ = 248824.

The previous prime is 497633. The next prime is 497659. The reversal of 497656 is 656794.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×497656² = 495322988672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497659) 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 as a sum of consecutive naturals, namely, 31096 + ... + 31111.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

497656 is a Friedman number, since it can be written as (9-7)*((6+6)^5-4), using all its digits and the basic arithmetic operations.

2⁴⁹⁷⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

497656 is a deficient number, since it is larger than the sum of its proper divisors (435464).

497656 is a wasteful number, since it uses less digits than its factorization.

497656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62213 (or 62209 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 497656 is about 705.4473757836. The cubic root of 497656 is about 79.2458293406.

The spelling of 497656 in words is "four hundred ninety-seven thousand, six hundred fifty-six".