497015808 has 176 divisors, whose sum is σ = 1452616704. Its totient is φ = 150405120.

The previous prime is 497015803. The next prime is 497015843. The reversal of 497015808 is 808510794.

It is a self number, because there is not a number n which added to its sum of digits gives 497015808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497015803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1618791 + ... + 1619097.

It is an arithmetic number, because the mean of its divisors is an integer number (8253504).

Almost surely, 2^497015808 is an apocalyptic number.

497015808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497015808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726308352).

497015808 is an abundant number, since it is smaller than the sum of its proper divisors (955600896).

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

497015808 is a wasteful number, since it uses less digits than its factorization.

497015808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 497015808 is about 22293.8513496435. The cubic root of 497015808 is about 792.1183375874.

The spelling of 497015808 in words is "four hundred ninety-seven million, fifteen thousand, eight hundred eight".