497078320 has 20 divisors (see below), whose sum is σ = 1155707280. Its totient is φ = 198831296.

The previous prime is 497078303. The next prime is 497078327. The reversal of 497078320 is 23870794.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (497078327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3106660 + ... + 3106819.

It is an arithmetic number, because the mean of its divisors is an integer number (57785364).

Almost surely, 2^497078320 is an apocalyptic number.

497078320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497078320 is an abundant number, since it is smaller than the sum of its proper divisors (658628960).

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

497078320 is a wasteful number, since it uses less digits than its factorization.

497078320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6213492 (or 6213486 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 497078320 is about 22295.2533064776. The cubic root of 497078320 is about 792.1515456698.

The spelling of 497078320 in words is "four hundred ninety-seven million, seventy-eight thousand, three hundred twenty".