497858812 has 24 divisors (see below), whose sum is σ = 951032880. Its totient is φ = 226162560.

The previous prime is 497858771. The next prime is 497858831. The reversal of 497858812 is 218858794.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 497858812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120688 + ... + 124744.

It is an arithmetic number, because the mean of its divisors is an integer number (39626370).

Almost surely, 2^497858812 is an apocalyptic number.

It is an amenable number.

497858812 is a deficient number, since it is larger than the sum of its proper divisors (453174068).

497858812 is a wasteful number, since it uses less digits than its factorization.

497858812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6861 (or 6859 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 52.

The square root of 497858812 is about 22312.7499873951. The cubic root of 497858812 is about 792.5659301563.

The spelling of 497858812 in words is "four hundred ninety-seven million, eight hundred fifty-eight thousand, eight hundred twelve".