91048318 has 4 divisors (see below), whose sum is σ = 136572480. Its totient is φ = 45524158.

The previous prime is 91048297. The next prime is 91048351. The reversal of 91048318 is 81384019.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22762078 + ... + 22762081.

It is an arithmetic number, because the mean of its divisors is an integer number (34143120).

Almost surely, 2^91048318 is an apocalyptic number.

91048318 is a deficient number, since it is larger than the sum of its proper divisors (45524162).

91048318 is a wasteful number, since it uses less digits than its factorization.

91048318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45524161.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 91048318 is about 9541.9242294204. The cubic root of 91048318 is about 449.8737390626.

The spelling of 91048318 in words is "ninety-one million, forty-eight thousand, three hundred eighteen".