91004482 has 4 divisors (see below), whose sum is σ = 136506726. Its totient is φ = 45502240.

The previous prime is 91004467. The next prime is 91004483. The reversal of 91004482 is 28440019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28440019 = 41 ⋅693659.

It can be written as a sum of positive squares in only one way, i.e., 58844241 + 32160241 = 7671^2 + 5671^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 91004482.

It is not an unprimeable number, because it can be changed into a prime (91004483) by changing a digit.

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 as a sum of consecutive naturals, namely, 22751119 + ... + 22751122.

Almost surely, 2^91004482 is an apocalyptic number.

91004482 is a deficient number, since it is larger than the sum of its proper divisors (45502244).

91004482 is a wasteful number, since it uses less digits than its factorization.

91004482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45502243.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 91004482 is about 9539.6269319088. The cubic root of 91004482 is about 449.8015289387.

The spelling of 91004482 in words is "ninety-one million, four thousand, four hundred eighty-two".