1117018386 has 48 divisors (see below), whose sum is σ = 2652837408. Its totient is φ = 336873600.

The previous prime is 1117018349. The next prime is 1117018387. The reversal of 1117018386 is 6838107111.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1117018386.

It is not an unprimeable number, because it can be changed into a prime (1117018387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28410 + ... + 55146.

It is an arithmetic number, because the mean of its divisors is an integer number (55267446).

Almost surely, 2^1117018386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117018386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326418704).

1117018386 is an abundant number, since it is smaller than the sum of its proper divisors (1535819022).

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

1117018386 is a wasteful number, since it uses less digits than its factorization.

1117018386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26967 (or 26964 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 36.

The square root of 1117018386 is about 33421.8249950538. The cubic root of 1117018386 is about 1037.5764529909.

The spelling of 1117018386 in words is "one billion, one hundred seventeen million, eighteen thousand, three hundred eighty-six".