91488214 has 8 divisors (see below), whose sum is σ = 141964560. Its totient is φ = 44166696.

The previous prime is 91488209. The next prime is 91488217. The reversal of 91488214 is 41288419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91488217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788634 + ... + 788749.

It is an arithmetic number, because the mean of its divisors is an integer number (17745570).

Almost surely, 2^91488214 is an apocalyptic number.

91488214 is a deficient number, since it is larger than the sum of its proper divisors (50476346).

91488214 is a wasteful number, since it uses less digits than its factorization.

91488214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577414.

The product of its digits is 18432, while the sum is 37.

The square root of 91488214 is about 9564.9471509256. The cubic root of 91488214 is about 450.5970905170.

The spelling of 91488214 in words is "ninety-one million, four hundred eighty-eight thousand, two hundred fourteen".