91394485 has 16 divisors (see below), whose sum is σ = 134983296. Its totient is φ = 57849408.

The previous prime is 91394473. The next prime is 91394489. The reversal of 91394485 is 58449319.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 91394485 - 2¹⁵ = 91361717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91394489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99979 + ... + 100888.

It is an arithmetic number, because the mean of its divisors is an integer number (8436456).

Almost surely, 2^91394485 is an apocalyptic number.

It is an amenable number.

91394485 is a deficient number, since it is larger than the sum of its proper divisors (43588811).

91394485 is a wasteful number, since it uses less digits than its factorization.

91394485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200892.

The product of its digits is 155520, while the sum is 43.

The square root of 91394485 is about 9560.0462864988. The cubic root of 91394485 is about 450.4431601403.

The spelling of 91394485 in words is "ninety-one million, three hundred ninety-four thousand, four hundred eighty-five".