38389963 has 2 divisors, whose sum is σ = 38389964. Its totient is φ = 38389962.

The previous prime is 38389957. The next prime is 38389969. The reversal of 38389963 is 36998383.

It is a balanced prime because it is at equal distance from previous prime (38389957) and next prime (38389969).

It is an emirp because it is prime and its reverse (36998383) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38389963 - 2⁵ = 38389931 is a prime.

It is not a weakly prime, because it can be changed into another prime (38389969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19194981 + 19194982.

It is an arithmetic number, because the mean of its divisors is an integer number (19194982).

Almost surely, 2^38389963 is an apocalyptic number.

38389963 is a deficient number, since it is larger than the sum of its proper divisors (1).

38389963 is an equidigital number, since it uses as much as digits as its factorization.

38389963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 49.

The square root of 38389963 is about 6195.9634440497. The cubic root of 38389963 is about 337.3436693452.

The spelling of 38389963 in words is "thirty-eight million, three hundred eighty-nine thousand, nine hundred sixty-three".