91118034 has 80 divisors (see below), whose sum is σ = 245678400. Its totient is φ = 24657696.

The previous prime is 91118009. The next prime is 91118099. The reversal of 91118034 is 43081119.

It is a super-2 number, since 2×91118034² = 16604992240050312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91117989 and 91118007.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19432 + ... + 23660.

It is an arithmetic number, because the mean of its divisors is an integer number (3070980).

Almost surely, 2^91118034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91118034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122839200).

91118034 is an abundant number, since it is smaller than the sum of its proper divisors (154560366).

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

91118034 is a wasteful number, since it uses less digits than its factorization.

91118034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269 (or 4260 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 91118034 is about 9545.5766719460. The cubic root of 91118034 is about 449.9885330411.

The spelling of 91118034 in words is "ninety-one million, one hundred eighteen thousand, thirty-four".