91083093 has 16 divisors (see below), whose sum is σ = 135357120. Its totient is φ = 54141696.

The previous prime is 91083089. The next prime is 91083101. The reversal of 91083093 is 39038019.

It is not a de Polignac number, because 91083093 - 2² = 91083089 is a prime.

It is a super-2 number, since 2×91083093² = 16592259660893298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91083023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46030 + ... + 47967.

It is an arithmetic number, because the mean of its divisors is an integer number (8459820).

Almost surely, 2^91083093 is an apocalyptic number.

It is an amenable number.

91083093 is a deficient number, since it is larger than the sum of its proper divisors (44274027).

91083093 is a wasteful number, since it uses less digits than its factorization.

91083093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94036.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 91083093 is about 9543.7462770130. The cubic root of 91083093 is about 449.9310067065.

The spelling of 91083093 in words is "ninety-one million, eighty-three thousand, ninety-three".