492557498 has 4 divisors (see below), whose sum is σ = 738836250. Its totient is φ = 246278748.

The previous prime is 492557497. The next prime is 492557521. The reversal of 492557498 is 894755294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 487835569 + 4721929 = 22087^2 + 2173^2 .

It is a super-2 number, since 2×492557498² = 485225777672040008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (492557497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123139373 + ... + 123139376.

Almost surely, 2^492557498 is an apocalyptic number.

492557498 is a deficient number, since it is larger than the sum of its proper divisors (246278752).

492557498 is a wasteful number, since it uses less digits than its factorization.

492557498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246278751.

The product of its digits is 3628800, while the sum is 53.

The square root of 492557498 is about 22193.6364302924. The cubic root of 492557498 is about 789.7427448432.

The spelling of 492557498 in words is "four hundred ninety-two million, five hundred fifty-seven thousand, four hundred ninety-eight".