91955246 has 4 divisors (see below), whose sum is σ = 137932872. Its totient is φ = 45977622.

The previous prime is 91955233. The next prime is 91955257. The reversal of 91955246 is 64255919.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 22988810 + ... + 22988813.

It is an arithmetic number, because the mean of its divisors is an integer number (34483218).

Almost surely, 2^91955246 is an apocalyptic number.

91955246 is a deficient number, since it is larger than the sum of its proper divisors (45977626).

91955246 is a wasteful number, since it uses less digits than its factorization.

91955246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45977625.

The product of its digits is 97200, while the sum is 41.

The square root of 91955246 is about 9589.3297993134. The cubic root of 91955246 is about 451.3625303872.

It can be divided in two parts, 9195 and 5246, that added together give a palindrome (14441).

The spelling of 91955246 in words is "ninety-one million, nine hundred fifty-five thousand, two hundred forty-six".