241857993 has 16 divisors (see below), whose sum is σ = 348001920. Its totient is φ = 148527744.

The previous prime is 241857991. The next prime is 241858009. The reversal of 241857993 is 399758142.

It is not a de Polignac number, because 241857993 - 2¹ = 241857991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (241857991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13453 + ... + 25781.

It is an arithmetic number, because the mean of its divisors is an integer number (21750120).

Almost surely, 2^241857993 is an apocalyptic number.

It is an amenable number.

241857993 is a deficient number, since it is larger than the sum of its proper divisors (106143927).

241857993 is a wasteful number, since it uses less digits than its factorization.

241857993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12848.

The product of its digits is 544320, while the sum is 48.

The square root of 241857993 is about 15551.7842384724. The cubic root of 241857993 is about 623.0460517304.

The spelling of 241857993 in words is "two hundred forty-one million, eight hundred fifty-seven thousand, nine hundred ninety-three".