497490 has 64 divisors (see below), whose sum is σ = 1437696. Its totient is φ = 107712.

The previous prime is 497479. The next prime is 497491. The reversal of 497490 is 94794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4779 + ... + 4881.

It is an arithmetic number, because the mean of its divisors is an integer number (22464).

2⁴⁹⁷⁴⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718848).

497490 is an abundant number, since it is smaller than the sum of its proper divisors (940206).

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

497490 is a wasteful number, since it uses less digits than its factorization.

497490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 497490 is about 705.3297101356. The cubic root of 497490 is about 79.2370171822.

The spelling of 497490 in words is "four hundred ninety-seven thousand, four hundred ninety".