497291698 has 4 divisors (see below), whose sum is σ = 745937550. Its totient is φ = 248645848.

The previous prime is 497291657. The next prime is 497291719. The reversal of 497291698 is 896192794.

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., 422590249 + 74701449 = 20557^2 + 8643^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124322923 + ... + 124322926.

Almost surely, 2^497291698 is an apocalyptic number.

497291698 is a deficient number, since it is larger than the sum of its proper divisors (248645852).

497291698 is a wasteful number, since it uses less digits than its factorization.

497291698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248645851.

The product of its digits is 1959552, while the sum is 55.

The square root of 497291698 is about 22300.0380717164. The cubic root of 497291698 is about 792.2648769268.

The spelling of 497291698 in words is "four hundred ninety-seven million, two hundred ninety-one thousand, six hundred ninety-eight".