240470247 has 4 divisors (see below), whose sum is σ = 320627000. Its totient is φ = 160313496.

The previous prime is 240470231. The next prime is 240470261. The reversal of 240470247 is 742074042.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 240470247 - 2⁴ = 240470231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240470227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40078372 + ... + 40078377.

It is an arithmetic number, because the mean of its divisors is an integer number (80156750).

Almost surely, 2^240470247 is an apocalyptic number.

240470247 is a deficient number, since it is larger than the sum of its proper divisors (80156753).

240470247 is an equidigital number, since it uses as much as digits as its factorization.

240470247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80156752.

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 240470247 is about 15507.1031143796. The cubic root of 240470247 is about 621.8521160472.

The spelling of 240470247 in words is "two hundred forty million, four hundred seventy thousand, two hundred forty-seven".