91849372 has 6 divisors (see below), whose sum is σ = 160736408. Its totient is φ = 45924684.

The previous prime is 91849369. The next prime is 91849379. The reversal of 91849372 is 27394819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91849379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11481168 + ... + 11481175.

Almost surely, 2^91849372 is an apocalyptic number.

It is an amenable number.

91849372 is a deficient number, since it is larger than the sum of its proper divisors (68887036).

91849372 is a wasteful number, since it uses less digits than its factorization.

91849372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22962347 (or 22962345 counting only the distinct ones).

The product of its digits is 108864, while the sum is 43.

The square root of 91849372 is about 9583.8078027473. The cubic root of 91849372 is about 451.1892362735.

The spelling of 91849372 in words is "ninety-one million, eight hundred forty-nine thousand, three hundred seventy-two".