1148086998 has 48 divisors (see below), whose sum is σ = 2621470176. Its totient is φ = 362419200.

The previous prime is 1148086981. The next prime is 1148087011. The reversal of 1148086998 is 8996808411.

1148086998 is a `hidden beast` number, since 11 + 480 + 8 + 69 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28086 + ... + 55542.

It is an arithmetic number, because the mean of its divisors is an integer number (54613962).

Almost surely, 2^1148086998 is an apocalyptic number.

1148086998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148086998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1310735088).

1148086998 is an abundant number, since it is smaller than the sum of its proper divisors (1473383178).

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

1148086998 is a wasteful number, since it uses less digits than its factorization.

1148086998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27589 (or 27586 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The square root of 1148086998 is about 33883.4325002648. The cubic root of 1148086998 is about 1047.1082938754.

The spelling of 1148086998 in words is "one billion, one hundred forty-eight million, eighty-six thousand, nine hundred ninety-eight".