91296798 has 32 divisors (see below), whose sum is σ = 196687872. Its totient is φ = 28168800.

The previous prime is 91296781. The next prime is 91296811. The reversal of 91296798 is 89769219.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 91296798.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6393 + ... + 14948.

It is an arithmetic number, because the mean of its divisors is an integer number (6146496).

Almost surely, 2^91296798 is an apocalyptic number.

91296798 is an abundant number, since it is smaller than the sum of its proper divisors (105391074).

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

91296798 is a wasteful number, since it uses less digits than its factorization.

91296798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21400.

The product of its digits is 489888, while the sum is 51.

The square root of 91296798 is about 9554.9357925629. The cubic root of 91296798 is about 450.2826175298.

The spelling of 91296798 in words is "ninety-one million, two hundred ninety-six thousand, seven hundred ninety-eight".