91905483 has 8 divisors (see below), whose sum is σ = 126493696. Its totient is φ = 59293800.

The previous prime is 91905479. The next prime is 91905487. The reversal of 91905483 is 38450919.

It is an interprime number because it is at equal distance from previous prime (91905479) and next prime (91905487).

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

It is not a de Polignac number, because 91905483 - 2² = 91905479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91905487) 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, 494023 + ... + 494208.

It is an arithmetic number, because the mean of its divisors is an integer number (15811712).

Almost surely, 2^91905483 is an apocalyptic number.

91905483 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

91905483 is a deficient number, since it is larger than the sum of its proper divisors (34588213).

91905483 is a wasteful number, since it uses less digits than its factorization.

91905483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988265.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 91905483 is about 9586.7347412975. The cubic root of 91905483 is about 451.2810950966.

The spelling of 91905483 in words is "ninety-one million, nine hundred five thousand, four hundred eighty-three".