984949898 has 8 divisors (see below), whose sum is σ = 1487340900. Its totient is φ = 489169600.

The previous prime is 984949891. The next prime is 984949909. The reversal of 984949898 is 898949489.

It can be written as a sum of positive squares in 2 ways, for example, as 667860649 + 317089249 = 25843^2 + 17807^2 .

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

It is a super-4 number, since 4×984949898⁴ (a number of 37 digits) contains 4444 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (984949891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652303 + ... + 1652898.

Almost surely, 2^984949898 is an apocalyptic number.

984949898 is a deficient number, since it is larger than the sum of its proper divisors (502391002).

984949898 is a wasteful number, since it uses less digits than its factorization.

984949898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305352.

The product of its digits is 53747712, while the sum is 68.

The square root of 984949898 is about 31383.9114515702. The cubic root of 984949898 is about 994.9579194850.

The spelling of 984949898 in words is "nine hundred eighty-four million, nine hundred forty-nine thousand, eight hundred ninety-eight".