91436 has 6 divisors (see below), whose sum is σ = 160020. Its totient is φ = 45716.

The previous prime is 91433. The next prime is 91453. The reversal of 91436 is 63419.

It is not an unprimeable number, because it can be changed into a prime (91433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11426 + ... + 11433.

It is an arithmetic number, because the mean of its divisors is an integer number (26670).

2⁹¹⁴³⁶ is an apocalyptic number.

It is an amenable number.

91436 is a deficient number, since it is larger than the sum of its proper divisors (68584).

91436 is a wasteful number, since it uses less digits than its factorization.

91436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22863 (or 22861 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 91436 is about 302.3838620032. The cubic root of 91436 is about 45.0511352866.

The spelling of 91436 in words is "ninety-one thousand, four hundred thirty-six".