240471893 has 2 divisors, whose sum is σ = 240471894. Its totient is φ = 240471892.

The previous prime is 240471887. The next prime is 240471899. The reversal of 240471893 is 398174042.

It is a balanced prime because it is at equal distance from previous prime (240471887) and next prime (240471899).

It can be written as a sum of positive squares in only one way, i.e., 188732644 + 51739249 = 13738^2 + 7193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240471893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240471899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120235946 + 120235947.

It is an arithmetic number, because the mean of its divisors is an integer number (120235947).

Almost surely, 2^240471893 is an apocalyptic number.

It is an amenable number.

240471893 is a deficient number, since it is larger than the sum of its proper divisors (1).

240471893 is an equidigital number, since it uses as much as digits as its factorization.

240471893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 240471893 is about 15507.1561867417. The cubic root of 240471893 is about 621.8535348870.

The spelling of 240471893 in words is "two hundred forty million, four hundred seventy-one thousand, eight hundred ninety-three".