91454286 has 48 divisors (see below), whose sum is σ = 232122240. Its totient is φ = 23753520.

The previous prime is 91454281. The next prime is 91454287. The reversal of 91454286 is 68245419.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91454281) 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 23 ways as a sum of consecutive naturals, for example, 10906 + ... + 17373.

It is an arithmetic number, because the mean of its divisors is an integer number (4835880).

Almost surely, 2^91454286 is an apocalyptic number.

91454286 is an abundant number, since it is smaller than the sum of its proper divisors (140667954).

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

91454286 is a wasteful number, since it uses less digits than its factorization.

91454286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28309 (or 28302 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 91454286 is about 9563.1734272677. The cubic root of 91454286 is about 450.5413829833.

It can be divided in two parts, 914542 and 86, that added together give a triangular number (914628 = T₁₃₅₂).

The spelling of 91454286 in words is "ninety-one million, four hundred fifty-four thousand, two hundred eighty-six".