91945484 has 12 divisors (see below), whose sum is σ = 169373400. Its totient is φ = 43553088.

The previous prime is 91945459. The next prime is 91945499. The reversal of 91945484 is 48454919.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604829 + ... + 604980.

It is an arithmetic number, because the mean of its divisors is an integer number (14114450).

Almost surely, 2^91945484 is an apocalyptic number.

It is an amenable number.

91945484 is a deficient number, since it is larger than the sum of its proper divisors (77427916).

91945484 is a wasteful number, since it uses less digits than its factorization.

91945484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209832 (or 1209830 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 91945484 is about 9588.8207825572. The cubic root of 91945484 is about 451.3465575557.

It can be divided in two parts, 91945 and 484, that added together give a palindrome (92429).

The spelling of 91945484 in words is "ninety-one million, nine hundred forty-five thousand, four hundred eighty-four".