291096 has 48 divisors (see below), whose sum is σ = 851760. Its totient is φ = 89280.

The previous prime is 291089. The next prime is 291101. The reversal of 291096 is 690192.

It is a happy number.

291096 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

291096 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781 + ... + 1091.

It is an arithmetic number, because the mean of its divisors is an integer number (17745).

2²⁹¹⁰⁹⁶ is an apocalyptic number.

291096 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 291096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425880).

291096 is an abundant number, since it is smaller than the sum of its proper divisors (560664).

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

291096 is a wasteful number, since it uses less digits than its factorization.

291096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 291096 is about 539.5331315128. The cubic root of 291096 is about 66.2743401723.

The spelling of 291096 in words is "two hundred ninety-one thousand, ninety-six".