91956036 has 48 divisors (see below), whose sum is σ = 219360960. Its totient is φ = 29973120.

The previous prime is 91956023. The next prime is 91956037. The reversal of 91956036 is 63065919.

It is a junction number, because it is equal to n+sod(n) for n = 91955985 and 91956003.

It is not an unprimeable number, because it can be changed into a prime (91956037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196675 + ... + 197141.

It is an arithmetic number, because the mean of its divisors is an integer number (4570020).

Almost surely, 2^91956036 is an apocalyptic number.

It is an amenable number.

91956036 is an abundant number, since it is smaller than the sum of its proper divisors (127404924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91956036 is a wasteful number, since it uses less digits than its factorization.

91956036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 91956036 is about 9589.3709908419. The cubic root of 91956036 is about 451.3638229558.

The spelling of 91956036 in words is "ninety-one million, nine hundred fifty-six thousand, thirty-six".