91480383 has 24 divisors (see below), whose sum is σ = 147279600. Its totient is φ = 54376704.

The previous prime is 91480373. The next prime is 91480387. The reversal of 91480383 is 38308419.

It is not a de Polignac number, because 91480383 - 2⁵ = 91480351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91480387) 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 23 ways as a sum of consecutive naturals, for example, 12828 + ... + 18641.

It is an arithmetic number, because the mean of its divisors is an integer number (6136650).

Almost surely, 2^91480383 is an apocalyptic number.

91480383 is a deficient number, since it is larger than the sum of its proper divisors (55799217).

91480383 is a wasteful number, since it uses less digits than its factorization.

91480383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31511 (or 31508 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 91480383 is about 9564.5377828727. The cubic root of 91480383 is about 450.5842337553.

The spelling of 91480383 in words is "ninety-one million, four hundred eighty thousand, three hundred eighty-three".