38943959 has 2 divisors, whose sum is σ = 38943960. Its totient is φ = 38943958.

The previous prime is 38943941. The next prime is 38943979. The reversal of 38943959 is 95934983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38943959 - 2¹² = 38939863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38943979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19471979 + 19471980.

It is an arithmetic number, because the mean of its divisors is an integer number (19471980).

Almost surely, 2^38943959 is an apocalyptic number.

38943959 is a deficient number, since it is larger than the sum of its proper divisors (1).

38943959 is an equidigital number, since it uses as much as digits as its factorization.

38943959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The square root of 38943959 is about 6240.5095144547. The cubic root of 38943959 is about 338.9586332053.

The spelling of 38943959 in words is "thirty-eight million, nine hundred forty-three thousand, nine hundred fifty-nine".