1098485618 has 8 divisors (see below), whose sum is σ = 1664715612. Its totient is φ = 543580416.

The previous prime is 1098485587. The next prime is 1098485629. The reversal of 1098485618 is 8165848901.

It can be written as a sum of positive squares in 2 ways, for example, as 926167489 + 172318129 = 30433^2 + 13127^2 .

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, 2830955 + ... + 2831342.

Almost surely, 2^1098485618 is an apocalyptic number.

1098485618 is a deficient number, since it is larger than the sum of its proper divisors (566229994).

1098485618 is an equidigital number, since it uses as much as digits as its factorization.

1098485618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5662396.

The product of its (nonzero) digits is 552960, while the sum is 50.

The square root of 1098485618 is about 33143.4098728541. The cubic root of 1098485618 is about 1031.8061808007.

The spelling of 1098485618 in words is "one billion, ninety-eight million, four hundred eighty-five thousand, six hundred eighteen".