91361836 has 24 divisors (see below), whose sum is σ = 167318144. Its totient is φ = 43597440.

The previous prime is 91361833. The next prime is 91361839. The reversal of 91361836 is 63816319.

It is an interprime number because it is at equal distance from previous prime (91361833) and next prime (91361839).

It is a junction number, because it is equal to n+sod(n) for n = 91361795 and 91361804.

It is not an unprimeable number, because it can be changed into a prime (91361833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4006 + ... + 14098.

Almost surely, 2^91361836 is an apocalyptic number.

It is an amenable number.

91361836 is a deficient number, since it is larger than the sum of its proper divisors (75956308).

91361836 is a wasteful number, since it uses less digits than its factorization.

91361836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201 (or 10199 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 91361836 is about 9558.3385585571. The cubic root of 91361836 is about 450.3895162387.

The spelling of 91361836 in words is "ninety-one million, three hundred sixty-one thousand, eight hundred thirty-six".