38699671 has 2 divisors, whose sum is σ = 38699672. Its totient is φ = 38699670.

The previous prime is 38699657. The next prime is 38699707. The reversal of 38699671 is 17699683.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38699671 - 2⁹ = 38699159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38699611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19349835 + 19349836.

It is an arithmetic number, because the mean of its divisors is an integer number (19349836).

Almost surely, 2^38699671 is an apocalyptic number.

38699671 is a deficient number, since it is larger than the sum of its proper divisors (1).

38699671 is an equidigital number, since it uses as much as digits as its factorization.

38699671 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 38699671 is about 6220.9059629607. The cubic root of 38699671 is about 338.2484052135.

The spelling of 38699671 in words is "thirty-eight million, six hundred ninety-nine thousand, six hundred seventy-one".