497991936 has 144 divisors (see below), whose sum is σ = 1474296320. Its totient is φ = 148193280.

The previous prime is 497991887. The next prime is 497991937. The reversal of 497991936 is 639199794.

It is not an unprimeable number, because it can be changed into a prime (497991937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308700 + ... + 310308.

Almost surely, 2^497991936 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 497991936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737148160).

497991936 is an abundant number, since it is smaller than the sum of its proper divisors (976304384).

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

497991936 is a wasteful number, since it uses less digits than its factorization.

497991936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 1658 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 57.

The square root of 497991936 is about 22315.7329254497. The cubic root of 497991936 is about 792.6365660753.

The spelling of 497991936 in words is "four hundred ninety-seven million, nine hundred ninety-one thousand, nine hundred thirty-six".