9891054 has 12 divisors (see below), whose sum is σ = 21430656. Its totient is φ = 3297012.

The previous prime is 9891053. The next prime is 9891061. The reversal of 9891054 is 4501989.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9891053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 274734 + ... + 274769.

It is an arithmetic number, because the mean of its divisors is an integer number (1785888).

Almost surely, 2^9891054 is an apocalyptic number.

9891054 is an abundant number, since it is smaller than the sum of its proper divisors (11539602).

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

9891054 is a wasteful number, since it uses less digits than its factorization.

9891054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549511 (or 549508 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 9891054 is about 3145.0046104895. The cubic root of 9891054 is about 214.6582202653.

The spelling of 9891054 in words is "nine million, eight hundred ninety-one thousand, fifty-four".