38347697 has 4 divisors (see below), whose sum is σ = 38778660. Its totient is φ = 37916736.

The previous prime is 38347691. The next prime is 38347747. The reversal of 38347697 is 79674383.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79674383 = 139 ⋅573197.

It can be written as a sum of positive squares in 2 ways, for example, as 20106256 + 18241441 = 4484^2 + 4271^2 .

It is a cyclic number.

It is not a de Polignac number, because 38347697 - 2¹⁰ = 38346673 is a prime.

It is a super-3 number, since 3×38347697³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38347691) 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 in 3 ways as a sum of consecutive naturals, for example, 215348 + ... + 215525.

It is an arithmetic number, because the mean of its divisors is an integer number (9694665).

Almost surely, 2^38347697 is an apocalyptic number.

It is an amenable number.

38347697 is a deficient number, since it is larger than the sum of its proper divisors (430963).

38347697 is an equidigital number, since it uses as much as digits as its factorization.

38347697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430962.

The product of its digits is 762048, while the sum is 47.

The square root of 38347697 is about 6192.5517357548. The cubic root of 38347697 is about 337.2198227093.

The spelling of 38347697 in words is "thirty-eight million, three hundred forty-seven thousand, six hundred ninety-seven".