1098870924 has 12 divisors (see below), whose sum is σ = 2564032184. Its totient is φ = 366290304.

The previous prime is 1098870893. The next prime is 1098870937. The reversal of 1098870924 is 4290788901.

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

It is a super-2 number, since 2×1098870924² = 2415034615225227552, which contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 45786277 + ... + 45786300.

Almost surely, 2^1098870924 is an apocalyptic number.

It is an amenable number.

1098870924 is an abundant number, since it is smaller than the sum of its proper divisors (1465161260).

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

1098870924 is a wasteful number, since it uses less digits than its factorization.

1098870924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91572584 (or 91572582 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 1098870924 is about 33149.2220723202. Note that the first 3 decimals coincide. The cubic root of 1098870924 is about 1031.9268058479.

The spelling of 1098870924 in words is "one billion, ninety-eight million, eight hundred seventy thousand, nine hundred twenty-four".