91659343 has 8 divisors (see below), whose sum is σ = 97879680. Its totient is φ = 85643040.

The previous prime is 91659341. The next prime is 91659349. The reversal of 91659343 is 34395619.

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 91659343 - 2¹ = 91659341 is a prime.

It is a super-4 number, since 4×91659343⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91659296 and 91659305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91659341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50080 + ... + 51877.

It is an arithmetic number, because the mean of its divisors is an integer number (12234960).

Almost surely, 2^91659343 is an apocalyptic number.

91659343 is a deficient number, since it is larger than the sum of its proper divisors (6220337).

91659343 is a wasteful number, since it uses less digits than its factorization.

91659343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102017.

The product of its digits is 87480, while the sum is 40.

The square root of 91659343 is about 9573.8886039059. Note that the first 3 decimals coincide. The cubic root of 91659343 is about 450.8778632990.

The spelling of 91659343 in words is "ninety-one million, six hundred fifty-nine thousand, three hundred forty-three".