38369213 has 4 divisors (see below), whose sum is σ = 38411100. Its totient is φ = 38327328.

The previous prime is 38369203. The next prime is 38369239. The reversal of 38369213 is 31296383.

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 8305924 + 30063289 = 2882^2 + 5483^2 .

It is a cyclic number.

It is not a de Polignac number, because 38369213 - 2⁴ = 38369197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38369203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19538 + ... + 21411.

It is an arithmetic number, because the mean of its divisors is an integer number (9602775).

Almost surely, 2^38369213 is an apocalyptic number.

It is an amenable number.

38369213 is a deficient number, since it is larger than the sum of its proper divisors (41887).

38369213 is an equidigital number, since it uses as much as digits as its factorization.

38369213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41886.

The product of its digits is 23328, while the sum is 35.

The square root of 38369213 is about 6194.2887404447. The cubic root of 38369213 is about 337.2828796480.

It can be divided in two parts, 383 and 69213, that added together give a palindrome (69596).

The spelling of 38369213 in words is "thirty-eight million, three hundred sixty-nine thousand, two hundred thirteen".