1198279893 has 16 divisors (see below), whose sum is σ = 1610496000. Its totient is φ = 792483120.

The previous prime is 1198279871. The next prime is 1198279909. The reversal of 1198279893 is 3989728911.

It is not a de Polignac number, because 1198279893 - 2¹⁶ = 1198214357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198279393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211528 + ... + 217118.

It is an arithmetic number, because the mean of its divisors is an integer number (100656000).

Almost surely, 2^1198279893 is an apocalyptic number.

It is an amenable number.

1198279893 is a deficient number, since it is larger than the sum of its proper divisors (412216107).

1198279893 is a wasteful number, since it uses less digits than its factorization.

1198279893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6152.

The product of its digits is 1959552, while the sum is 57.

The square root of 1198279893 is about 34616.1796418958. The cubic root of 1198279893 is about 1062.1505801500.

The spelling of 1198279893 in words is "one billion, one hundred ninety-eight million, two hundred seventy-nine thousand, eight hundred ninety-three".