91094399 has 8 divisors (see below), whose sum is σ = 102581760. Its totient is φ = 80141400.

The previous prime is 91094389. The next prime is 91094459. The reversal of 91094399 is 99349019.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91094399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91094309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133229 + ... + 133910.

It is an arithmetic number, because the mean of its divisors is an integer number (12822720).

Almost surely, 2^91094399 is an apocalyptic number.

91094399 is a deficient number, since it is larger than the sum of its proper divisors (11487361).

91094399 is a wasteful number, since it uses less digits than its factorization.

91094399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267181.

The product of its (nonzero) digits is 78732, while the sum is 44.

The square root of 91094399 is about 9544.3385836840. The cubic root of 91094399 is about 449.9496223440.

The spelling of 91094399 in words is "ninety-one million, ninety-four thousand, three hundred ninety-nine".