91642334 has 8 divisors (see below), whose sum is σ = 157101168. Its totient is φ = 39275280.

The previous prime is 91642333. The next prime is 91642357. The reversal of 91642334 is 43324619.

91642334 = 4785² + 4786² + ... + 4788².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 91642334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91642333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3272927 + ... + 3272954.

It is an arithmetic number, because the mean of its divisors is an integer number (19637646).

Almost surely, 2^91642334 is an apocalyptic number.

91642334 is a deficient number, since it is larger than the sum of its proper divisors (65458834).

91642334 is a wasteful number, since it uses less digits than its factorization.

91642334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545890.

The product of its digits is 15552, while the sum is 32.

The square root of 91642334 is about 9573.0002611512. Note that the first 3 decimals coincide. The cubic root of 91642334 is about 450.8499721397.

The spelling of 91642334 in words is "ninety-one million, six hundred forty-two thousand, three hundred thirty-four".