497298816 has 192 divisors, whose sum is σ = 1657393920. Its totient is φ = 140184576.

The previous prime is 497298793. The next prime is 497298817. The reversal of 497298816 is 618892794.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×497298816² = 494612224790003712, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497298817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668941 + ... + 669683.

It is an arithmetic number, because the mean of its divisors is an integer number (8632260).

Almost surely, 2^497298816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497298816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (828696960).

497298816 is an abundant number, since it is smaller than the sum of its proper divisors (1160095104).

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

497298816 is a wasteful number, since it uses less digits than its factorization.

497298816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 838 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 497298816 is about 22300.1976672854. The cubic root of 497298816 is about 792.2686569446.

The spelling of 497298816 in words is "four hundred ninety-seven million, two hundred ninety-eight thousand, eight hundred sixteen".