9091648 has 14 divisors (see below), whose sum is σ = 18041366. Its totient is φ = 4545792.

The previous prime is 9091637. The next prime is 9091657. The reversal of 9091648 is 8461909.

It can be written as a sum of positive squares in only one way, i.e., 4631104 + 4460544 = 2152^2 + 2112^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70965 + ... + 71092.

It is an arithmetic number, because the mean of its divisors is an integer number (1288669).

Almost surely, 2^9091648 is an apocalyptic number.

It is an amenable number.

9091648 is a deficient number, since it is larger than the sum of its proper divisors (8949718).

9091648 is a wasteful number, since it uses less digits than its factorization.

9091648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142069 (or 142059 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9091648 is about 3015.2359774983. The cubic root of 9091648 is about 208.7120566413.

The spelling of 9091648 in words is "nine million, ninety-one thousand, six hundred forty-eight".