240627389 has 2 divisors, whose sum is σ = 240627390. Its totient is φ = 240627388.

The previous prime is 240627377. The next prime is 240627421. The reversal of 240627389 is 983726042.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238548025 + 2079364 = 15445^2 + 1442^2 .

It is a cyclic number.

It is not a de Polignac number, because 240627389 - 2²⁴ = 223850173 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 (240627589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120313694 + 120313695.

It is an arithmetic number, because the mean of its divisors is an integer number (120313695).

Almost surely, 2^240627389 is an apocalyptic number.

It is an amenable number.

240627389 is a deficient number, since it is larger than the sum of its proper divisors (1).

240627389 is an equidigital number, since it uses as much as digits as its factorization.

240627389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 240627389 is about 15512.1690617399. The cubic root of 240627389 is about 621.9875420974.

The spelling of 240627389 in words is "two hundred forty million, six hundred twenty-seven thousand, three hundred eighty-nine".