494750997 has 20 divisors (see below), whose sum is σ = 795925900. Its totient is φ = 304461504.

The previous prime is 494750989. The next prime is 494751001. The reversal of 494750997 is 799057494.

494750997 is a `hidden beast` number, since 4 + 9 + 47 + 509 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 175271121 + 319479876 = 13239^2 + 17874^2 .

It is not a de Polignac number, because 494750997 - 2³ = 494750989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494750947) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 233872 + ... + 235977.

It is an arithmetic number, because the mean of its divisors is an integer number (39796295).

Almost surely, 2^494750997 is an apocalyptic number.

It is an amenable number.

494750997 is a deficient number, since it is larger than the sum of its proper divisors (301174903).

494750997 is a wasteful number, since it uses less digits than its factorization.

494750997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469874 (or 469865 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 494750997 is about 22242.9988310929. The cubic root of 494750997 is about 790.9133254665.

The spelling of 494750997 in words is "four hundred ninety-four million, seven hundred fifty thousand, nine hundred ninety-seven".