241691688 has 96 divisors (see below), whose sum is σ = 775844160. Its totient is φ = 69050880.

The previous prime is 241691683. The next prime is 241691689. The reversal of 241691688 is 886196142.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241691683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4728 + ... + 22488.

It is an arithmetic number, because the mean of its divisors is an integer number (8081710).

Almost surely, 2^241691688 is an apocalyptic number.

241691688 is a gapful number since it is divisible by the number (28) 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 241691688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387922080).

241691688 is an abundant number, since it is smaller than the sum of its proper divisors (534152472).

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

241691688 is a wasteful number, since it uses less digits than its factorization.

241691688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17789 (or 17773 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 241691688 is about 15546.4365048715. The cubic root of 241691688 is about 622.9032138739.

The spelling of 241691688 in words is "two hundred forty-one million, six hundred ninety-one thousand, six hundred eighty-eight".