494986498 has 4 divisors (see below), whose sum is σ = 742479750. Its totient is φ = 247493248.

The previous prime is 494986489. The next prime is 494986523. The reversal of 494986498 is 894689494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 894689494 = 2 ⋅447344747.

It can be written as a sum of positive squares in only one way, i.e., 384042409 + 110944089 = 19597^2 + 10533^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123746623 + ... + 123746626.

Almost surely, 2^494986498 is an apocalyptic number.

494986498 is a deficient number, since it is larger than the sum of its proper divisors (247493252).

494986498 is a wasteful number, since it uses less digits than its factorization.

494986498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247493251.

The product of its digits is 17915904, while the sum is 61.

The square root of 494986498 is about 22248.2920243330. The cubic root of 494986498 is about 791.0387968886.

The spelling of 494986498 in words is "four hundred ninety-four million, nine hundred eighty-six thousand, four hundred ninety-eight".