91012994 has 8 divisors (see below), whose sum is σ = 136580880. Its totient is φ = 45486036.

The previous prime is 91012967. The next prime is 91013003. The reversal of 91012994 is 49921019.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884 + ... + 14039.

It is an arithmetic number, because the mean of its divisors is an integer number (17072610).

Almost surely, 2^91012994 is an apocalyptic number.

91012994 is a deficient number, since it is larger than the sum of its proper divisors (45567886).

91012994 is a wasteful number, since it uses less digits than its factorization.

91012994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20464.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 91012994 is about 9540.0730605169. The cubic root of 91012994 is about 449.8155523918.

The spelling of 91012994 in words is "ninety-one million, twelve thousand, nine hundred ninety-four".