91826 has 12 divisors (see below), whose sum is σ = 160398. Its totient is φ = 39312.

The previous prime is 91823. The next prime is 91837. The reversal of 91826 is 62819.

It can be written as a sum of positive squares in only one way, i.e., 90601 + 1225 = 301^2 + 35^2 .

It is a d-powerful number, because it can be written as 9⁵ + 1 + 8⁵ + 2 + 6 .

It is a junction number, because it is equal to n+sod(n) for n = 91795 and 91804.

It is not an unprimeable number, because it can be changed into a prime (91823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 371 + ... + 566.

2⁹¹⁸²⁶ is an apocalyptic number.

91826 is a deficient number, since it is larger than the sum of its proper divisors (68572).

91826 is a wasteful number, since it uses less digits than its factorization.

91826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 946 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 91826 is about 303.0280515068. The cubic root of 91826 is about 45.1150963142.

The spelling of 91826 in words is "ninety-one thousand, eight hundred twenty-six".