91034439 has 8 divisors (see below), whose sum is σ = 128519280. Its totient is φ = 57119616.

The previous prime is 91034417. The next prime is 91034477. The reversal of 91034439 is 93443019.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 91034439 - 2⁵ = 91034407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91034479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 892444 + ... + 892545.

It is an arithmetic number, because the mean of its divisors is an integer number (16064910).

Almost surely, 2^91034439 is an apocalyptic number.

91034439 is a deficient number, since it is larger than the sum of its proper divisors (37484841).

91034439 is a wasteful number, since it uses less digits than its factorization.

91034439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785009.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 91034439 is about 9541.1969374916. The cubic root of 91034439 is about 449.8508789848.

The spelling of 91034439 in words is "ninety-one million, thirty-four thousand, four hundred thirty-nine".