497104566 has 64 divisors (see below), whose sum is σ = 1189859328. Its totient is φ = 135371808.

The previous prime is 497104511. The next prime is 497104567. The reversal of 497104566 is 665401794.

It is a super-2 number, since 2×497104566² = 494225899076096712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497104567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334461 + ... + 335943.

It is an arithmetic number, because the mean of its divisors is an integer number (18591552).

Almost surely, 2^497104566 is an apocalyptic number.

497104566 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 497104566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594929664).

497104566 is an abundant number, since it is smaller than the sum of its proper divisors (692754762).

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

497104566 is a wasteful number, since it uses less digits than its factorization.

497104566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 497104566 is about 22295.8418993318. The cubic root of 497104566 is about 792.1654874323.

The spelling of 497104566 in words is "four hundred ninety-seven million, one hundred four thousand, five hundred sixty-six".