91794028 has 12 divisors (see below), whose sum is σ = 160914600. Its totient is φ = 45818432.

The previous prime is 91794013. The next prime is 91794047. The reversal of 91794028 is 82049719.

It is a super-2 number, since 2×91794028² = 16852287152929568, which contains 22 as substring.

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, 16978 + ... + 21721.

It is an arithmetic number, because the mean of its divisors is an integer number (13409550).

Almost surely, 2^91794028 is an apocalyptic number.

It is an amenable number.

91794028 is a deficient number, since it is larger than the sum of its proper divisors (69120572).

91794028 is a wasteful number, since it uses less digits than its factorization.

91794028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39296 (or 39294 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 91794028 is about 9580.9199975785. The cubic root of 91794028 is about 451.0985964444.

The spelling of 91794028 in words is "ninety-one million, seven hundred ninety-four thousand, twenty-eight".