91448652 has 24 divisors (see below), whose sum is σ = 217921536. Its totient is φ = 29834128.

The previous prime is 91448647. The next prime is 91448663. The reversal of 91448652 is 25684419.

It is a self number, because there is not a number n which added to its sum of digits gives 91448652.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80508 + ... + 81635.

It is an arithmetic number, because the mean of its divisors is an integer number (9080064).

Almost surely, 2^91448652 is an apocalyptic number.

It is an amenable number.

91448652 is an abundant number, since it is smaller than the sum of its proper divisors (126472884).

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

91448652 is a wasteful number, since it uses less digits than its factorization.

91448652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162197 (or 162195 counting only the distinct ones).

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

The square root of 91448652 is about 9562.8788552402. The cubic root of 91448652 is about 450.5321309938.

The spelling of 91448652 in words is "ninety-one million, four hundred forty-eight thousand, six hundred fifty-two".