91064406 has 32 divisors (see below), whose sum is σ = 192476160. Its totient is φ = 28664064.

The previous prime is 91064357. The next prime is 91064417. The reversal of 91064406 is 60446019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6726 + ... + 15078.

It is an arithmetic number, because the mean of its divisors is an integer number (6014880).

Almost surely, 2^91064406 is an apocalyptic number.

91064406 is an abundant number, since it is smaller than the sum of its proper divisors (101411754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91064406 is a wasteful number, since it uses less digits than its factorization.

91064406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 91064406 is about 9542.7672087293. The cubic root of 91064406 is about 449.9002346737.

The spelling of 91064406 in words is "ninety-one million, sixty-four thousand, four hundred six".