91354340 has 96 divisors (see below), whose sum is σ = 241484544. Its totient is φ = 28200960.

The previous prime is 91354339. The next prime is 91354363. The reversal of 91354340 is 4345319.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210764 + ... + 211196.

It is an arithmetic number, because the mean of its divisors is an integer number (2515464).

Almost surely, 2^91354340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91354340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120742272).

91354340 is an abundant number, since it is smaller than the sum of its proper divisors (150130204).

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

91354340 is a wasteful number, since it uses less digits than its factorization.

91354340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 91354340 is about 9557.9464321579. The cubic root of 91354340 is about 450.3771981406.

Adding to 91354340 its reverse (4345319), we get a palindrome (95699659).

The spelling of 91354340 in words is "ninety-one million, three hundred fifty-four thousand, three hundred forty".