4138697 has 4 divisors (see below), whose sum is σ = 4151316. Its totient is φ = 4126080.

The previous prime is 4138691. The next prime is 4138703. The reversal of 4138697 is 7968314.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4138691) and next prime (4138703).

It can be written as a sum of positive squares in 2 ways, for example, as 2446096 + 1692601 = 1564^2 + 1301^2 .

It is a cyclic number.

It is not a de Polignac number, because 4138697 - 2⁴ = 4138681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4138697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5804 + ... + 6477.

It is an arithmetic number, because the mean of its divisors is an integer number (1037829).

Almost surely, 2^4138697 is an apocalyptic number.

It is an amenable number.

4138697 is a deficient number, since it is larger than the sum of its proper divisors (12619).

4138697 is a wasteful number, since it uses less digits than its factorization.

4138697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12618.

The product of its digits is 36288, while the sum is 38.

The square root of 4138697 is about 2034.3787749581. The cubic root of 4138697 is about 160.5540298746.

The spelling of 4138697 in words is "four million, one hundred thirty-eight thousand, six hundred ninety-seven".