91085294 has 8 divisors (see below), whose sum is σ = 138667368. Its totient is φ = 44862840.

The previous prime is 91085273. The next prime is 91085299. The reversal of 91085294 is 49258019.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91085299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339737 + ... + 340004.

It is an arithmetic number, because the mean of its divisors is an integer number (17333421).

Almost surely, 2^91085294 is an apocalyptic number.

91085294 is a deficient number, since it is larger than the sum of its proper divisors (47582074).

91085294 is a wasteful number, since it uses less digits than its factorization.

91085294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679810.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 91085294 is about 9543.8615874289. The cubic root of 91085294 is about 449.9346308338.

The spelling of 91085294 in words is "ninety-one million, eighty-five thousand, two hundred ninety-four".