91334380 has 24 divisors (see below), whose sum is σ = 200142432. Its totient is φ = 34945152.

The previous prime is 91334371. The next prime is 91334407. The reversal of 91334380 is 8343319.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98817 + ... + 99736.

It is an arithmetic number, because the mean of its divisors is an integer number (8339268).

Almost surely, 2^91334380 is an apocalyptic number.

It is an amenable number.

91334380 is an abundant number, since it is smaller than the sum of its proper divisors (108808052).

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

91334380 is a wasteful number, since it uses less digits than its factorization.

91334380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198585 (or 198583 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 91334380 is about 9556.9022177691. The cubic root of 91334380 is about 450.3443947961.

Adding to 91334380 its reverse (8343319), we get a palindrome (99677699).

The spelling of 91334380 in words is "ninety-one million, three hundred thirty-four thousand, three hundred eighty".