91454646 has 8 divisors (see below), whose sum is σ = 182909304. Its totient is φ = 30484880.

The previous prime is 91454599. The next prime is 91454651. The reversal of 91454646 is 64645419.

It is a sphenic number, since it is the product of 3 distinct primes.

91454646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7621215 + ... + 7621226.

It is an arithmetic number, because the mean of its divisors is an integer number (22863663).

Almost surely, 2^91454646 is an apocalyptic number.

91454646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91454646 is a wasteful number, since it uses less digits than its factorization.

91454646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15242446.

The product of its digits is 103680, while the sum is 39.

The square root of 91454646 is about 9563.1922494531. The cubic root of 91454646 is about 450.5419741518.

The spelling of 91454646 in words is "ninety-one million, four hundred fifty-four thousand, six hundred forty-six".