497646320 has 20 divisors (see below), whose sum is σ = 1157027880. Its totient is φ = 199058496.

The previous prime is 497646299. The next prime is 497646323. The reversal of 497646320 is 23646794.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497646323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3110210 + ... + 3110369.

It is an arithmetic number, because the mean of its divisors is an integer number (57851394).

Almost surely, 2^497646320 is an apocalyptic number.

497646320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497646320 is an abundant number, since it is smaller than the sum of its proper divisors (659381560).

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

497646320 is a wasteful number, since it uses less digits than its factorization.

497646320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220592 (or 6220586 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 497646320 is about 22307.9878070614. The cubic root of 497646320 is about 792.4531552882.

The spelling of 497646320 in words is "four hundred ninety-seven million, six hundred forty-six thousand, three hundred twenty".