492597638 has 8 divisors (see below), whose sum is σ = 795734688. Its totient is φ = 227352744.

The previous prime is 492597619. The next prime is 492597641. The reversal of 492597638 is 836795294.

It is a happy number.

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 492597638.

It is a congruent number.

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, 9473006 + ... + 9473057.

It is an arithmetic number, because the mean of its divisors is an integer number (99466836).

Almost surely, 2^492597638 is an apocalyptic number.

492597638 is a deficient number, since it is larger than the sum of its proper divisors (303137050).

492597638 is a wasteful number, since it uses less digits than its factorization.

492597638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18946078.

The product of its digits is 3265920, while the sum is 53.

The square root of 492597638 is about 22194.5407251423. The cubic root of 492597638 is about 789.7641971020.

The spelling of 492597638 in words is "four hundred ninety-two million, five hundred ninety-seven thousand, six hundred thirty-eight".