91048 has 16 divisors (see below), whose sum is σ = 180000. Its totient is φ = 43056.

The previous prime is 91033. The next prime is 91079. The reversal of 91048 is 84019.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148 + ... + 451.

It is an arithmetic number, because the mean of its divisors is an integer number (11250).

2⁹¹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

91048 is a deficient number, since it is larger than the sum of its proper divisors (88952).

91048 is a wasteful number, since it uses less digits than its factorization.

91048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 91048 is about 301.7416113167. The cubic root of 91048 is about 44.9873215311.

The spelling of 91048 in words is "ninety-one thousand, forty-eight".