91454641 has 8 divisors (see below), whose sum is σ = 94042368. Its totient is φ = 88884000.

The previous prime is 91454599. The next prime is 91454651. The reversal of 91454641 is 14645419.

It is a happy number.

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 91454641 - 2¹¹ = 91452593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91454597 and 91454606.

It is not an unprimeable number, because it can be changed into a prime (91454651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6996 + ... + 15226.

It is an arithmetic number, because the mean of its divisors is an integer number (11755296).

Almost surely, 2^91454641 is an apocalyptic number.

It is an amenable number.

91454641 is a deficient number, since it is larger than the sum of its proper divisors (2587727).

91454641 is a wasteful number, since it uses less digits than its factorization.

91454641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543.

The product of its digits is 17280, while the sum is 34.

The square root of 91454641 is about 9563.1919880341. The cubic root of 91454641 is about 450.5419659412.

It can be divided in two parts, 914 and 54641, that added together give a palindrome (55555).

The spelling of 91454641 in words is "ninety-one million, four hundred fifty-four thousand, six hundred forty-one".