91234001 has 8 divisors (see below), whose sum is σ = 93687360. Its totient is φ = 88810992.

The previous prime is 91233997. The next prime is 91234009. The reversal of 91234001 is 10043219.

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

It is a cyclic number.

It is not a de Polignac number, because 91234001 - 2² = 91233997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91234009) 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 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 13583.

It is an arithmetic number, because the mean of its divisors is an integer number (11710920).

Almost surely, 2^91234001 is an apocalyptic number.

It is an amenable number.

91234001 is a deficient number, since it is larger than the sum of its proper divisors (2453359).

91234001 is a wasteful number, since it uses less digits than its factorization.

91234001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15175.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 91234001 is about 9551.6491246276. The cubic root of 91234001 is about 450.1793540208.

The spelling of 91234001 in words is "ninety-one million, two hundred thirty-four thousand, one".