1238840483 has 2 divisors, whose sum is σ = 1238840484. Its totient is φ = 1238840482.

The previous prime is 1238840453. The next prime is 1238840503. The reversal of 1238840483 is 3840488321.

It is a strong prime.

It is an emirp because it is prime and its reverse (3840488321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1238840483 - 2⁸ = 1238840227 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1238840483.

It is not a weakly prime, because it can be changed into another prime (1238840453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619420241 + 619420242.

It is an arithmetic number, because the mean of its divisors is an integer number (619420242).

Almost surely, 2^1238840483 is an apocalyptic number.

1238840483 is a deficient number, since it is larger than the sum of its proper divisors (1).

1238840483 is an equidigital number, since it uses as much as digits as its factorization.

1238840483 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 1238840483 is about 35197.1658376069. The cubic root of 1238840483 is about 1074.0020977133.

The spelling of 1238840483 in words is "one billion, two hundred thirty-eight million, eight hundred forty thousand, four hundred eighty-three".