1098662844 has 12 divisors (see below), whose sum is σ = 2563546664. Its totient is φ = 366220944.

The previous prime is 1098662801. The next prime is 1098662891. The reversal of 1098662844 is 4482668901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1098662793 and 1098662802.

It is a congruent number.

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, 45777607 + ... + 45777630.

Almost surely, 2^1098662844 is an apocalyptic number.

It is an amenable number.

1098662844 is an abundant number, since it is smaller than the sum of its proper divisors (1464883820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1098662844 is a wasteful number, since it uses less digits than its factorization.

1098662844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91555244 (or 91555242 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 1098662844 is about 33146.0833885393. The cubic root of 1098662844 is about 1031.8616672043.

The spelling of 1098662844 in words is "one billion, ninety-eight million, six hundred sixty-two thousand, eight hundred forty-four".