497740 has 24 divisors (see below), whose sum is σ = 1072512. Its totient is φ = 193920.

The previous prime is 497737. The next prime is 497741. The reversal of 497740 is 47794.

It is not an unprimeable number, because it can be changed into a prime (497741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (44688).

2⁴⁹⁷⁷⁴⁰ 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 497740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536256).

497740 is an abundant number, since it is smaller than the sum of its proper divisors (574772).

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

497740 is a wasteful number, since it uses less digits than its factorization.

497740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 497740 is about 705.5069099591. The cubic root of 497740 is about 79.2502877585.

The spelling of 497740 in words is "four hundred ninety-seven thousand, seven hundred forty".