91488230 has 24 divisors (see below), whose sum is σ = 173809152. Its totient is φ = 34667856.

The previous prime is 91488217. The next prime is 91488239. The reversal of 91488230 is 3288419.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91488239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9062 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (7242048).

Almost surely, 2^91488230 is an apocalyptic number.

91488230 is a deficient number, since it is larger than the sum of its proper divisors (82320922).

91488230 is a wasteful number, since it uses less digits than its factorization.

91488230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25388 (or 25369 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 91488230 is about 9564.9479873128. The cubic root of 91488230 is about 450.5971167847.

The spelling of 91488230 in words is "ninety-one million, four hundred eighty-eight thousand, two hundred thirty".