1098957868 has 12 divisors (see below), whose sum is σ = 1975154272. Its totient is φ = 534628080.

The previous prime is 1098957857. The next prime is 1098957907. The reversal of 1098957868 is 8687598901.

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, 3712548 + ... + 3712843.

Almost surely, 2^1098957868 is an apocalyptic number.

It is an amenable number.

1098957868 is a deficient number, since it is larger than the sum of its proper divisors (876196404).

1098957868 is a wasteful number, since it uses less digits than its factorization.

1098957868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425432 (or 7425430 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 61.

The square root of 1098957868 is about 33150.5334497048. The cubic root of 1098957868 is about 1031.9540208968.

The spelling of 1098957868 in words is "one billion, ninety-eight million, nine hundred fifty-seven thousand, eight hundred sixty-eight".