91482347 has 4 divisors (see below), whose sum is σ = 99798936. Its totient is φ = 83165760.

The previous prime is 91482343. The next prime is 91482361. The reversal of 91482347 is 74328419.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91482347 - 2² = 91482343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91482347.

It is not an unprimeable number, because it can be changed into a prime (91482343) 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 3 ways as a sum of consecutive naturals, for example, 4158278 + ... + 4158299.

It is an arithmetic number, because the mean of its divisors is an integer number (24949734).

Almost surely, 2^91482347 is an apocalyptic number.

91482347 is a deficient number, since it is larger than the sum of its proper divisors (8316589).

91482347 is a wasteful number, since it uses less digits than its factorization.

91482347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316588.

The product of its digits is 48384, while the sum is 38.

The square root of 91482347 is about 9564.6404532528. The cubic root of 91482347 is about 450.5874582757.

The spelling of 91482347 in words is "ninety-one million, four hundred eighty-two thousand, three hundred forty-seven".