38169697 has 4 divisors (see below), whose sum is σ = 38598660. Its totient is φ = 37740736.

The previous prime is 38169679. The next prime is 38169701. The reversal of 38169697 is 79696183.

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

It can be written as a sum of positive squares in 2 ways, for example, as 18800896 + 19368801 = 4336^2 + 4401^2 .

It is a cyclic number.

It is not a de Polignac number, because 38169697 - 2⁷ = 38169569 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 38169697.

It is not an unprimeable number, because it can be changed into a prime (38169667) 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, 214348 + ... + 214525.

It is an arithmetic number, because the mean of its divisors is an integer number (9649665).

Almost surely, 2^38169697 is an apocalyptic number.

It is an amenable number.

38169697 is a deficient number, since it is larger than the sum of its proper divisors (428963).

38169697 is an equidigital number, since it uses as much as digits as its factorization.

38169697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428962.

The product of its digits is 489888, while the sum is 49.

The square root of 38169697 is about 6178.1629146535. The cubic root of 38169697 is about 336.6972511944.

The spelling of 38169697 in words is "thirty-eight million, one hundred sixty-nine thousand, six hundred ninety-seven".