497808 has 30 divisors (see below), whose sum is σ = 1393574. Its totient is φ = 165888.
The previous prime is 497801. The next prime is 497813. The reversal of 497808 is 808794.
497808 is nontrivially palindromic in base 11.
It can be written as a sum of positive squares in only one way, i.e., 278784 + 219024 = 528^2 + 468^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (497801) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1585 + ... + 1872.
2497808 is an apocalyptic number.
497808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.
It is an amenable number.
497808 is an abundant number, since it is smaller than the sum of its proper divisors (895766).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
497808 is a wasteful number, since it uses less digits than its factorization.
497808 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3471 (or 3462 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 497808 is about 705.5551006123. Note that the first 3 decimals coincide. The cubic root of 497808 is about 79.2538965865.
The spelling of 497808 in words is "four hundred ninety-seven thousand, eight hundred eight".
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