241993905 has 32 divisors (see below), whose sum is σ = 405212160. Its totient is φ = 123171840.

The previous prime is 241993903. The next prime is 241993909. The reversal of 241993905 is 509399142.

It is not a de Polignac number, because 241993905 - 2¹ = 241993903 is a prime.

It is a super-2 number, since 2×241993905² = 117122100114298050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (241993901) 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 31 ways as a sum of consecutive naturals, for example, 30381 + ... + 37509.

It is an arithmetic number, because the mean of its divisors is an integer number (12662880).

Almost surely, 2^241993905 is an apocalyptic number.

It is an amenable number.

241993905 is a deficient number, since it is larger than the sum of its proper divisors (163218255).

241993905 is a wasteful number, since it uses less digits than its factorization.

241993905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7241.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 241993905 is about 15556.1532841509. The cubic root of 241993905 is about 623.1627367005.

The spelling of 241993905 in words is "two hundred forty-one million, nine hundred ninety-three thousand, nine hundred five".