91945435 has 8 divisors (see below), whose sum is σ = 116824896. Its totient is φ = 69229440.

The previous prime is 91945429. The next prime is 91945439. The reversal of 91945435 is 53454919.

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

It is not a de Polignac number, because 91945435 - 2⁷ = 91945307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91945439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540771 + ... + 540940.

It is an arithmetic number, because the mean of its divisors is an integer number (14603112).

Almost surely, 2^91945435 is an apocalyptic number.

91945435 is a deficient number, since it is larger than the sum of its proper divisors (24879461).

91945435 is a wasteful number, since it uses less digits than its factorization.

91945435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081733.

The product of its digits is 97200, while the sum is 40.

The square root of 91945435 is about 9588.8182274981. The cubic root of 91945435 is about 451.3464773778.

The spelling of 91945435 in words is "ninety-one million, nine hundred forty-five thousand, four hundred thirty-five".