497819842 has 8 divisors (see below), whose sum is σ = 804170556. Its totient is φ = 229762992.

The previous prime is 497819759. The next prime is 497819851. The reversal of 497819842 is 248918794.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 448973721 + 48846121 = 21189^2 + 6989^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 497819842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9573433 + ... + 9573484.

Almost surely, 2^497819842 is an apocalyptic number.

497819842 is a deficient number, since it is larger than the sum of its proper divisors (306350714).

497819842 is a wasteful number, since it uses less digits than its factorization.

497819842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19146932.

The product of its digits is 1161216, while the sum is 52.

The square root of 497819842 is about 22311.8767027787. The cubic root of 497819842 is about 792.5452501968.

The spelling of 497819842 in words is "four hundred ninety-seven million, eight hundred nineteen thousand, eight hundred forty-two".