91214298 has 24 divisors (see below), whose sum is σ = 225864288. Its totient is φ = 26061192.

The previous prime is 91214273. The next prime is 91214317. The reversal of 91214298 is 89241219.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361836 + ... + 362087.

It is an arithmetic number, because the mean of its divisors is an integer number (9411012).

Almost surely, 2^91214298 is an apocalyptic number.

91214298 is an abundant number, since it is smaller than the sum of its proper divisors (134649990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91214298 is a wasteful number, since it uses less digits than its factorization.

91214298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723938 (or 723935 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 91214298 is about 9550.6176763600. The cubic root of 91214298 is about 450.1469446036.

The spelling of 91214298 in words is "ninety-one million, two hundred fourteen thousand, two hundred ninety-eight".