497663992 has 48 divisors (see below), whose sum is σ = 1100815920. Its totient is φ = 210268800.

The previous prime is 497663977. The next prime is 497663993. The reversal of 497663992 is 299366794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497663993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18892 + ... + 36772.

It is an arithmetic number, because the mean of its divisors is an integer number (22933665).

Almost surely, 2^497663992 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 497663992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550407960).

497663992 is an abundant number, since it is smaller than the sum of its proper divisors (603151928).

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

497663992 is a wasteful number, since it uses less digits than its factorization.

497663992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17972 (or 17961 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 55.

The square root of 497663992 is about 22308.3838948499. The cubic root of 497663992 is about 792.4625354884.

The spelling of 497663992 in words is "four hundred ninety-seven million, six hundred sixty-three thousand, nine hundred ninety-two".