497890540 has 96 divisors (see below), whose sum is σ = 1225171584. Its totient is φ = 166440960.

The previous prime is 497890517. The next prime is 497890541. The reversal of 497890540 is 45098794.

It is not an unprimeable number, because it can be changed into a prime (497890541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1477252 + ... + 1477588.

It is an arithmetic number, because the mean of its divisors is an integer number (12762204).

Almost surely, 2^497890540 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 497890540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612585792).

497890540 is an abundant number, since it is smaller than the sum of its proper divisors (727281044).

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

497890540 is a wasteful number, since it uses less digits than its factorization.

497890540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 497890540 is about 22313.4609596987. The cubic root of 497890540 is about 792.5827662533.

The spelling of 497890540 in words is "four hundred ninety-seven million, eight hundred ninety thousand, five hundred forty".