241638657 has 8 divisors (see below), whose sum is σ = 346968384. Its totient is φ = 148700688.

The previous prime is 241638623. The next prime is 241638659. The reversal of 241638657 is 756836142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 241638657 - 2¹¹ = 241636609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241638659) 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 7 ways as a sum of consecutive naturals, for example, 3097893 + ... + 3097970.

It is an arithmetic number, because the mean of its divisors is an integer number (43371048).

Almost surely, 2^241638657 is an apocalyptic number.

It is an amenable number.

241638657 is a deficient number, since it is larger than the sum of its proper divisors (105329727).

241638657 is a wasteful number, since it uses less digits than its factorization.

241638657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195879.

The product of its digits is 241920, while the sum is 42.

The square root of 241638657 is about 15544.7308436010. The cubic root of 241638657 is about 622.8576522510.

The spelling of 241638657 in words is "two hundred forty-one million, six hundred thirty-eight thousand, six hundred fifty-seven".