1438227983 has 2 divisors, whose sum is σ = 1438227984. Its totient is φ = 1438227982.

The previous prime is 1438227937. The next prime is 1438227997. The reversal of 1438227983 is 3897228341.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1438227983 - 2¹² = 1438223887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1438227083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719113991 + 719113992.

It is an arithmetic number, because the mean of its divisors is an integer number (719113992).

Almost surely, 2^1438227983 is an apocalyptic number.

1438227983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438227983 is an equidigital number, since it uses as much as digits as its factorization.

1438227983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 47.

The square root of 1438227983 is about 37923.9763606086. The cubic root of 1438227983 is about 1128.7798412372.

The spelling of 1438227983 in words is "one billion, four hundred thirty-eight million, two hundred twenty-seven thousand, nine hundred eighty-three".