91234 has 24 divisors (see below), whose sum is σ = 167580. Its totient is φ = 36960.

The previous prime is 91229. The next prime is 91237. The reversal of 91234 is 43219.

It can be written as a sum of positive squares in 2 ways, for example, as 88209 + 3025 = 297^2 + 55^2 .

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (91237) by changing a digit.

91234 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3132 + ... + 3160.

2⁹¹²³⁴ is an apocalyptic number.

91234 is a deficient number, since it is larger than the sum of its proper divisors (76346).

91234 is a wasteful number, since it uses less digits than its factorization.

91234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 55 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 91234 is about 302.0496647904. The cubic root of 91234 is about 45.0179352376.

It can be divided in two parts, 912 and 34, that added together give a triangular number (946 = T₄₃).

The spelling of 91234 in words is "ninety-one thousand, two hundred thirty-four".