91901848 has 16 divisors (see below), whose sum is σ = 172458000. Its totient is φ = 45913056.

The previous prime is 91901839. The next prime is 91901857. The reversal of 91901848 is 84810919.

It is an interprime number because it is at equal distance from previous prime (91901839) and next prime (91901857).

It is a self number, because there is not a number n which added to its sum of digits gives 91901848.

It is a congruent number.

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, 7413 + ... + 15451.

It is an arithmetic number, because the mean of its divisors is an integer number (10778625).

Almost surely, 2^91901848 is an apocalyptic number.

It is an amenable number.

91901848 is a deficient number, since it is larger than the sum of its proper divisors (80556152).

91901848 is a wasteful number, since it uses less digits than its factorization.

91901848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9474 (or 9470 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 91901848 is about 9586.5451545382. The cubic root of 91901848 is about 451.2751454029.

The spelling of 91901848 in words is "ninety-one million, nine hundred one thousand, eight hundred forty-eight".