1198898295 has 16 divisors (see below), whose sum is σ = 2192271360. Its totient is φ = 548067744.

The previous prime is 1198898287. The next prime is 1198898297. The reversal of 1198898295 is 5928988911.

It is not a de Polignac number, because 1198898295 - 2³ = 1198898287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198898297) 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, 5708935 + ... + 5709144.

It is an arithmetic number, because the mean of its divisors is an integer number (137016960).

Almost surely, 2^1198898295 is an apocalyptic number.

1198898295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1198898295 is a deficient number, since it is larger than the sum of its proper divisors (993373065).

1198898295 is a wasteful number, since it uses less digits than its factorization.

1198898295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11418094.

The product of its digits is 3732480, while the sum is 60.

The square root of 1198898295 is about 34625.1107579456. The cubic root of 1198898295 is about 1062.3332650934. Note that the first 3 decimals are identical.

The spelling of 1198898295 in words is "one billion, one hundred ninety-eight million, eight hundred ninety-eight thousand, two hundred ninety-five".