494742898 has 8 divisors (see below), whose sum is σ = 799200108. Its totient is φ = 228342864.

The previous prime is 494742889. The next prime is 494742923. The reversal of 494742898 is 898247494.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 365306769 + 129436129 = 19113^2 + 11377^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9514261 + ... + 9514312.

Almost surely, 2^494742898 is an apocalyptic number.

494742898 is a deficient number, since it is larger than the sum of its proper divisors (304457210).

494742898 is a wasteful number, since it uses less digits than its factorization.

494742898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19028588.

The product of its digits is 4644864, while the sum is 55.

The square root of 494742898 is about 22242.8167730618. The cubic root of 494742898 is about 790.9090097319.

The spelling of 494742898 in words is "four hundred ninety-four million, seven hundred forty-two thousand, eight hundred ninety-eight".