38268143 has 4 divisors (see below), whose sum is σ = 38280600. Its totient is φ = 38255688.

The previous prime is 38268121. The next prime is 38268161. The reversal of 38268143 is 34186283.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34186283 = 193 ⋅177131.

It is a cyclic number.

It is not a de Polignac number, because 38268143 - 2¹² = 38264047 is a prime.

It is a super-4 number, since 4×38268143⁴ (a number of 31 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38268103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033 + ... + 8981.

It is an arithmetic number, because the mean of its divisors is an integer number (9570150).

Almost surely, 2^38268143 is an apocalyptic number.

38268143 is a deficient number, since it is larger than the sum of its proper divisors (12457).

38268143 is an equidigital number, since it uses as much as digits as its factorization.

38268143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456.

The product of its digits is 27648, while the sum is 35.

The square root of 38268143 is about 6186.1250391501. The cubic root of 38268143 is about 336.9864687690.

The spelling of 38268143 in words is "thirty-eight million, two hundred sixty-eight thousand, one hundred forty-three".