38966971 has 2 divisors, whose sum is σ = 38966972. Its totient is φ = 38966970.

The previous prime is 38966953. The next prime is 38966989. The reversal of 38966971 is 17966983.

It is a balanced prime because it is at equal distance from previous prime (38966953) and next prime (38966989).

It is a cyclic number.

It is not a de Polignac number, because 38966971 - 2²³ = 30578363 is a prime.

It is not a weakly prime, because it can be changed into another prime (38966951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19483485 + 19483486.

It is an arithmetic number, because the mean of its divisors is an integer number (19483486).

Almost surely, 2^38966971 is an apocalyptic number.

38966971 is a deficient number, since it is larger than the sum of its proper divisors (1).

38966971 is an equidigital number, since it uses as much as digits as its factorization.

38966971 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 38966971 is about 6242.3530018736. The cubic root of 38966971 is about 339.0253836540.

The spelling of 38966971 in words is "thirty-eight million, nine hundred sixty-six thousand, nine hundred seventy-one".