497981793 has 8 divisors (see below), whose sum is σ = 672380800. Its totient is φ = 327785328.

The previous prime is 497981791. The next prime is 497981819. The reversal of 497981793 is 397189794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 497981793 - 2¹ = 497981791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497981791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050358 + ... + 1050831.

It is an arithmetic number, because the mean of its divisors is an integer number (84047600).

Almost surely, 2^497981793 is an apocalyptic number.

It is an amenable number.

497981793 is a deficient number, since it is larger than the sum of its proper divisors (174399007).

497981793 is a wasteful number, since it uses less digits than its factorization.

497981793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101271.

The product of its digits is 3429216, while the sum is 57.

The square root of 497981793 is about 22315.5056631034. The cubic root of 497981793 is about 792.6311846178.

The spelling of 497981793 in words is "four hundred ninety-seven million, nine hundred eighty-one thousand, seven hundred ninety-three".