91364430 has 32 divisors (see below), whose sum is σ = 219866400. Its totient is φ = 24298112.

The previous prime is 91364401. The next prime is 91364431. The reversal of 91364430 is 3446319.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91364431) 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 in 15 ways as a sum of consecutive naturals, for example, 7756 + ... + 15584.

It is an arithmetic number, because the mean of its divisors is an integer number (6870825).

Almost surely, 2^91364430 is an apocalyptic number.

91364430 is an abundant number, since it is smaller than the sum of its proper divisors (128501970).

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

91364430 is a wasteful number, since it uses less digits than its factorization.

91364430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 91364430 is about 9558.4742506323. The cubic root of 91364430 is about 450.3937787747.

The spelling of 91364430 in words is "ninety-one million, three hundred sixty-four thousand, four hundred thirty".