91034990 has 8 divisors (see below), whose sum is σ = 163863000. Its totient is φ = 36413992.

The previous prime is 91034969. The next prime is 91035013. The reversal of 91034990 is 9943019.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 91034990.

It is a congruent number.

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, 4551740 + ... + 4551759.

It is an arithmetic number, because the mean of its divisors is an integer number (20482875).

Almost surely, 2^91034990 is an apocalyptic number.

91034990 is a deficient number, since it is larger than the sum of its proper divisors (72828010).

91034990 is a wasteful number, since it uses less digits than its factorization.

91034990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9103506.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 91034990 is about 9541.2258122319. The cubic root of 91034990 is about 449.8517865803.

The spelling of 91034990 in words is "ninety-one million, thirty-four thousand, nine hundred ninety".