38906977 has 2 divisors, whose sum is σ = 38906978. Its totient is φ = 38906976.

The previous prime is 38906971. The next prime is 38906983. The reversal of 38906977 is 77960983.

It is a balanced prime because it is at equal distance from previous prime (38906971) and next prime (38906983).

It can be written as a sum of positive squares in only one way, i.e., 35952016 + 2954961 = 5996^2 + 1719^2 .

It is an emirp because it is prime and its reverse (77960983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38906977 - 2⁷ = 38906849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38906977.

It is not a weakly prime, because it can be changed into another prime (38906971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19453488 + 19453489.

It is an arithmetic number, because the mean of its divisors is an integer number (19453489).

Almost surely, 2^38906977 is an apocalyptic number.

It is an amenable number.

38906977 is a deficient number, since it is larger than the sum of its proper divisors (1).

38906977 is an equidigital number, since it uses as much as digits as its factorization.

38906977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 38906977 is about 6237.5457513352. The cubic root of 38906977 is about 338.8513051495.

The spelling of 38906977 in words is "thirty-eight million, nine hundred six thousand, nine hundred seventy-seven".