1098423968 has 24 divisors (see below), whose sum is σ = 2168105940. Its totient is φ = 547793920.

The previous prime is 1098423959. The next prime is 1098423973. The reversal of 1098423968 is 8693248901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1067198224 + 31225744 = 32668^2 + 5588^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 31673 + ... + 56568.

Almost surely, 2^1098423968 is an apocalyptic number.

It is an amenable number.

1098423968 is a deficient number, since it is larger than the sum of its proper divisors (1069681972).

1098423968 is an equidigital number, since it uses as much as digits as its factorization.

1098423968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88640 (or 88632 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 1098423968 is about 33142.4798106599. The cubic root of 1098423968 is about 1031.7868778500.

The spelling of 1098423968 in words is "one billion, ninety-eight million, four hundred twenty-three thousand, nine hundred sixty-eight".