38607689 has 2 divisors, whose sum is σ = 38607690. Its totient is φ = 38607688.

The previous prime is 38607683. The next prime is 38607703. The reversal of 38607689 is 98670683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34164025 + 4443664 = 5845^2 + 2108^2 .

It is a cyclic number.

It is not a de Polignac number, because 38607689 - 2²⁰ = 37559113 is a prime.

It is not a weakly prime, because it can be changed into another prime (38607683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19303844 + 19303845.

It is an arithmetic number, because the mean of its divisors is an integer number (19303845).

Almost surely, 2^38607689 is an apocalyptic number.

It is an amenable number.

38607689 is a deficient number, since it is larger than the sum of its proper divisors (1).

38607689 is an equidigital number, since it uses as much as digits as its factorization.

38607689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 38607689 is about 6213.5085901606. The cubic root of 38607689 is about 337.9802078674.

The spelling of 38607689 in words is "thirty-eight million, six hundred seven thousand, six hundred eighty-nine".