91429065 has 96 divisors (see below), whose sum is σ = 198132480. Its totient is φ = 37974528.

The previous prime is 91429049. The next prime is 91429097. The reversal of 91429065 is 56092419.

It is not a de Polignac number, because 91429065 - 2⁴ = 91429049 is a prime.

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 95 ways as a sum of consecutive naturals, for example, 339751 + ... + 340019.

It is an arithmetic number, because the mean of its divisors is an integer number (2063880).

Almost surely, 2^91429065 is an apocalyptic number.

It is an amenable number.

91429065 is an abundant number, since it is smaller than the sum of its proper divisors (106703415).

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

91429065 is a wasteful number, since it uses less digits than its factorization.

91429065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 91429065 is about 9561.8546841081. The cubic root of 91429065 is about 450.4999628398.

The spelling of 91429065 in words is "ninety-one million, four hundred twenty-nine thousand, sixty-five".