494499146 has 4 divisors (see below), whose sum is σ = 741748722. Its totient is φ = 247249572.

The previous prime is 494499139. The next prime is 494499199. The reversal of 494499146 is 641994494.

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., 437269921 + 57229225 = 20911^2 + 7565^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 494499094 and 494499103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123624785 + ... + 123624788.

Almost surely, 2^494499146 is an apocalyptic number.

494499146 is a deficient number, since it is larger than the sum of its proper divisors (247249576).

494499146 is a wasteful number, since it uses less digits than its factorization.

494499146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247249575.

The product of its digits is 1119744, while the sum is 50.

The square root of 494499146 is about 22237.3367560057. The cubic root of 494499146 is about 790.7790989417.

The spelling of 494499146 in words is "four hundred ninety-four million, four hundred ninety-nine thousand, one hundred forty-six".