240849893 has 2 divisors, whose sum is σ = 240849894. Its totient is φ = 240849892.

The previous prime is 240849883. The next prime is 240849913. The reversal of 240849893 is 398948042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129800449 + 111049444 = 11393^2 + 10538^2 .

It is a cyclic number.

It is not a de Polignac number, because 240849893 - 2¹⁰ = 240848869 is a prime.

It is a super-2 number, since 2×240849893² = 116017341916222898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240849803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120424946 + 120424947.

It is an arithmetic number, because the mean of its divisors is an integer number (120424947).

Almost surely, 2^240849893 is an apocalyptic number.

It is an amenable number.

240849893 is a deficient number, since it is larger than the sum of its proper divisors (1).

240849893 is an equidigital number, since it uses as much as digits as its factorization.

240849893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 240849893 is about 15519.3393222779. The cubic root of 240849893 is about 622.1791967568.

The spelling of 240849893 in words is "two hundred forty million, eight hundred forty-nine thousand, eight hundred ninety-three".