91973382 has 8 divisors (see below), whose sum is σ = 183946776. Its totient is φ = 30657792.

The previous prime is 91973353. The next prime is 91973393. The reversal of 91973382 is 28337919.

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

91973382 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7664443 + ... + 7664454.

It is an arithmetic number, because the mean of its divisors is an integer number (22993347).

Almost surely, 2^91973382 is an apocalyptic number.

91973382 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91973382 is a wasteful number, since it uses less digits than its factorization.

91973382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15328902.

The product of its digits is 81648, while the sum is 42.

The square root of 91973382 is about 9590.2753870783. The cubic root of 91973382 is about 451.3922019688.

The spelling of 91973382 in words is "ninety-one million, nine hundred seventy-three thousand, three hundred eighty-two".