91250340 has 48 divisors (see below), whose sum is σ = 256132800. Its totient is φ = 24273280.

The previous prime is 91250333. The next prime is 91250363. The reversal of 91250340 is 4305219.

It is a self number, because there is not a number n which added to its sum of digits gives 91250340.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 26011 + ... + 29309.

It is an arithmetic number, because the mean of its divisors is an integer number (5336100).

Almost surely, 2^91250340 is an apocalyptic number.

It is an amenable number.

91250340 is an abundant number, since it is smaller than the sum of its proper divisors (164882460).

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

91250340 is a wasteful number, since it uses less digits than its factorization.

91250340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772 (or 3770 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 91250340 is about 9552.5043836682. The cubic root of 91250340 is about 450.2062264635.

Adding to 91250340 its reverse (4305219), we get a palindrome (95555559).

The spelling of 91250340 in words is "ninety-one million, two hundred fifty thousand, three hundred forty".