497109132 has 72 divisors (see below), whose sum is σ = 1356381936. Its totient is φ = 152601984.

The previous prime is 497109071. The next prime is 497109139. The reversal of 497109132 is 231901794.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (497109139) 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, 259723 + ... + 261629.

It is an arithmetic number, because the mean of its divisors is an integer number (18838638).

Almost surely, 2^497109132 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 497109132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678190968).

497109132 is an abundant number, since it is smaller than the sum of its proper divisors (859272804).

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

497109132 is a wasteful number, since it uses less digits than its factorization.

497109132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2487 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 497109132 is about 22295.9442948712. The cubic root of 497109132 is about 792.1679128217.

The spelling of 497109132 in words is "four hundred ninety-seven million, one hundred nine thousand, one hundred thirty-two".