91896028 has 24 divisors (see below), whose sum is σ = 189722624. Its totient is φ = 38113200.

The previous prime is 91896019. The next prime is 91896071. The reversal of 91896028 is 82069819.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52068 + ... + 53803.

Almost surely, 2^91896028 is an apocalyptic number.

It is an amenable number.

91896028 is an abundant number, since it is smaller than the sum of its proper divisors (97826596).

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

91896028 is a wasteful number, since it uses less digits than its factorization.

91896028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105913 (or 105911 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 91896028 is about 9586.2415992922. The cubic root of 91896028 is about 451.2656190193.

The spelling of 91896028 in words is "ninety-one million, eight hundred ninety-six thousand, twenty-eight".