38916967 has 2 divisors, whose sum is σ = 38916968. Its totient is φ = 38916966.

The previous prime is 38916887. The next prime is 38916971. The reversal of 38916967 is 76961983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38916967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38916967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38916167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19458483 + 19458484.

It is an arithmetic number, because the mean of its divisors is an integer number (19458484).

Almost surely, 2^38916967 is an apocalyptic number.

38916967 is a deficient number, since it is larger than the sum of its proper divisors (1).

38916967 is an equidigital number, since it uses as much as digits as its factorization.

38916967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 38916967 is about 6238.3464956669. The cubic root of 38916967 is about 338.8803045314.

The spelling of 38916967 in words is "thirty-eight million, nine hundred sixteen thousand, nine hundred sixty-seven".