83696491 has 8 divisors (see below), whose sum is σ = 88788960. Its totient is φ = 78622848.

The previous prime is 83696477. The next prime is 83696521. The reversal of 83696491 is 19469638.

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 83696491 - 2⁹ = 83695979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83696441) 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, 5050 + ... + 13888.

It is an arithmetic number, because the mean of its divisors is an integer number (11098620).

Almost surely, 2^83696491 is an apocalyptic number.

83696491 is a deficient number, since it is larger than the sum of its proper divisors (5092469).

83696491 is a wasteful number, since it uses less digits than its factorization.

83696491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413.

The product of its digits is 279936, while the sum is 46.

The square root of 83696491 is about 9148.5786327713. The cubic root of 83696491 is about 437.4238077928.

The spelling of 83696491 in words is "eighty-three million, six hundred ninety-six thousand, four hundred ninety-one".