38403227 has 4 divisors (see below), whose sum is σ = 38490360. Its totient is φ = 38316096.

The previous prime is 38403191. The next prime is 38403271. The reversal of 38403227 is 72230483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72230483 = 13 ⋅5556191.

It is a cyclic number.

It is not a de Polignac number, because 38403227 - 2¹⁸ = 38141083 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 38403227.

It is not an unprimeable number, because it can be changed into a prime (38453227) 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, 42902 + ... + 43787.

It is an arithmetic number, because the mean of its divisors is an integer number (9622590).

Almost surely, 2^38403227 is an apocalyptic number.

38403227 is a deficient number, since it is larger than the sum of its proper divisors (87133).

38403227 is an equidigital number, since it uses as much as digits as its factorization.

38403227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87132.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 38403227 is about 6197.0337259047. The cubic root of 38403227 is about 337.3825164019.

The spelling of 38403227 in words is "thirty-eight million, four hundred three thousand, two hundred twenty-seven".