240491793 has 8 divisors (see below), whose sum is σ = 326706048. Its totient is φ = 157302704.

The previous prime is 240491791. The next prime is 240491837. The reversal of 240491793 is 397194042.

240491793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 240491793 - 2¹ = 240491791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240491791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756105 + ... + 756422.

It is an arithmetic number, because the mean of its divisors is an integer number (40838256).

Almost surely, 2^240491793 is an apocalyptic number.

It is an amenable number.

240491793 is a deficient number, since it is larger than the sum of its proper divisors (86214255).

240491793 is a wasteful number, since it uses less digits than its factorization.

240491793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512583.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 240491793 is about 15507.7978127134. The cubic root of 240491793 is about 621.8706880268.

The spelling of 240491793 in words is "two hundred forty million, four hundred ninety-one thousand, seven hundred ninety-three".