91485641 has 8 divisors (see below), whose sum is σ = 100619904. Its totient is φ = 82650960.

The previous prime is 91485631. The next prime is 91485643. The reversal of 91485641 is 14658419.

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

It is a cyclic number.

It is not a de Polignac number, because 91485641 - 2²⁶ = 24376777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91485595 and 91485604.

It is not an unprimeable number, because it can be changed into a prime (91485643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74255 + ... + 75476.

It is an arithmetic number, because the mean of its divisors is an integer number (12577488).

Almost surely, 2^91485641 is an apocalyptic number.

It is an amenable number.

91485641 is a deficient number, since it is larger than the sum of its proper divisors (9134263).

91485641 is a wasteful number, since it uses less digits than its factorization.

91485641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149791.

The product of its digits is 34560, while the sum is 38.

The square root of 91485641 is about 9564.8126484527. The cubic root of 91485641 is about 450.5928663037.

The spelling of 91485641 in words is "ninety-one million, four hundred eighty-five thousand, six hundred forty-one".