9842091 has 48 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 5174400.

The previous prime is 9842083. The next prime is 9842101. The reversal of 9842091 is 1902489.

It is not a de Polignac number, because 9842091 - 2³ = 9842083 is a prime.

9842091 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9842011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138586 + ... + 138656.

It is an arithmetic number, because the mean of its divisors is an integer number (344736).

Almost surely, 2^9842091 is an apocalyptic number.

9842091 is a deficient number, since it is larger than the sum of its proper divisors (6705237).

9842091 is a wasteful number, since it uses less digits than its factorization.

9842091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 9842091 is about 3137.2107037941. The cubic root of 9842091 is about 214.3034316144.

The spelling of 9842091 in words is "nine million, eight hundred forty-two thousand, ninety-one".