240993866 has 4 divisors (see below), whose sum is σ = 361490802. Its totient is φ = 120496932.

The previous prime is 240993817. The next prime is 240993911. The reversal of 240993866 is 668399042.

240993866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 668399042 = 2 ⋅334199521.

It can be written as a sum of positive squares in only one way, i.e., 215238241 + 25755625 = 14671^2 + 5075^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240993866.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60248465 + ... + 60248468.

Almost surely, 2^240993866 is an apocalyptic number.

240993866 is a deficient number, since it is larger than the sum of its proper divisors (120496936).

240993866 is a wasteful number, since it uses less digits than its factorization.

240993866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120496935.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 240993866 is about 15523.9771321656. The cubic root of 240993866 is about 622.3031455526.

The spelling of 240993866 in words is "two hundred forty million, nine hundred ninety-three thousand, eight hundred sixty-six".