1098410049 has 72 divisors (see below), whose sum is σ = 1816321416. Its totient is φ = 638668800.

The previous prime is 1098410039. The next prime is 1098410087. The reversal of 1098410049 is 9400148901.

It can be written as a sum of positive squares in 4 ways, for example, as 680625 + 1097729424 = 825^2 + 33132^2 .

It is not a de Polignac number, because 1098410049 - 2⁹ = 1098409537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1098409995 and 1098410022.

It is not an unprimeable number, because it can be changed into a prime (1098410039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3259209 + ... + 3259545.

Almost surely, 2^1098410049 is an apocalyptic number.

It is an amenable number.

1098410049 is a deficient number, since it is larger than the sum of its proper divisors (717911367).

1098410049 is a wasteful number, since it uses less digits than its factorization.

1098410049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1098410049 is about 33142.2698226902. The cubic root of 1098410049 is about 1031.7825196354.

The spelling of 1098410049 in words is "one billion, ninety-eight million, four hundred ten thousand, forty-nine".