1162231398 has 24 divisors (see below), whose sum is σ = 2522340288. Its totient is φ = 386768592.

The previous prime is 1162231393. The next prime is 1162231459. The reversal of 1162231398 is 8931322611.

1162231398 is a `hidden beast` number, since 11 + 622 + 3 + 13 + 9 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162231393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42261 + ... + 64112.

It is an arithmetic number, because the mean of its divisors is an integer number (105097512).

Almost surely, 2^1162231398 is an apocalyptic number.

1162231398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1162231398 is an abundant number, since it is smaller than the sum of its proper divisors (1360108890).

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

1162231398 is a wasteful number, since it uses less digits than its factorization.

1162231398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106988 (or 106985 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1162231398 is about 34091.5150440693. The cubic root of 1162231398 is about 1051.3908697130.

The spelling of 1162231398 in words is "one billion, one hundred sixty-two million, two hundred thirty-one thousand, three hundred ninety-eight".