9891046 has 16 divisors (see below), whose sum is σ = 16708608. Its totient is φ = 4350600.

The previous prime is 9891043. The next prime is 9891053. The reversal of 9891046 is 6401989.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9890996 and 9891014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9891041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6570 + ... + 7933.

It is an arithmetic number, because the mean of its divisors is an integer number (1044288).

Almost surely, 2^9891046 is an apocalyptic number.

9891046 is a deficient number, since it is larger than the sum of its proper divisors (6817562).

9891046 is a wasteful number, since it uses less digits than its factorization.

9891046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14547.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9891046 is about 3145.0033386310. The cubic root of 9891046 is about 214.6581623926.

The spelling of 9891046 in words is "nine million, eight hundred ninety-one thousand, forty-six".