497391696 has 30 divisors (see below), whose sum is σ = 1392006330. Its totient is φ = 165797184.

The previous prime is 497391619. The next prime is 497391701. The reversal of 497391696 is 696193794.

497391696 is a `hidden beast` number, since 497 + 3 + 91 + 69 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 344622096 + 152769600 = 18564^2 + 12360^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1726911 + ... + 1727198.

It is an arithmetic number, because the mean of its divisors is an integer number (46400211).

Almost surely, 2^497391696 is an apocalyptic number.

It is an amenable number.

497391696 is an abundant number, since it is smaller than the sum of its proper divisors (894614634).

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

497391696 is a wasteful number, since it uses less digits than its factorization.

497391696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3454123 (or 3454114 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 497391696 is about 22302.2800628097. The cubic root of 497391696 is about 792.3179776145.

It can be divided in two parts, 4973 and 91696, that added together give a palindrome (96669).

The spelling of 497391696 in words is "four hundred ninety-seven million, three hundred ninety-one thousand, six hundred ninety-six".