91048624 has 10 divisors (see below), whose sum is σ = 176406740. Its totient is φ = 45524304.

The previous prime is 91048619. The next prime is 91048631. The reversal of 91048624 is 42684019.

It is a self number, because there is not a number n which added to its sum of digits gives 91048624.

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, 2845254 + ... + 2845285.

It is an arithmetic number, because the mean of its divisors is an integer number (17640674).

Almost surely, 2^91048624 is an apocalyptic number.

It is an amenable number.

91048624 is a deficient number, since it is larger than the sum of its proper divisors (85358116).

91048624 is a wasteful number, since it uses less digits than its factorization.

91048624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5690547 (or 5690541 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 91048624 is about 9541.9402639086. The cubic root of 91048624 is about 449.8742430486.

The spelling of 91048624 in words is "ninety-one million, forty-eight thousand, six hundred twenty-four".