38223727 has 4 divisors (see below), whose sum is σ = 38237056. Its totient is φ = 38210400.

The previous prime is 38223707. The next prime is 38223733. The reversal of 38223727 is 72732283.

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: 72732283 = 13 ⋅5594791.

It is a cyclic number.

It is not a de Polignac number, because 38223727 - 2¹¹ = 38221679 is a prime.

It is a super-2 number, since 2×38223727² = 2922106611541058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38223692 and 38223701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38223707) 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, 399 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (9559264).

Almost surely, 2^38223727 is an apocalyptic number.

38223727 is a deficient number, since it is larger than the sum of its proper divisors (13329).

38223727 is an equidigital number, since it uses as much as digits as its factorization.

38223727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13328.

The product of its digits is 28224, while the sum is 34.

The square root of 38223727 is about 6182.5340274033. The cubic root of 38223727 is about 336.8560436140.

It can be divided in two parts, 38 and 223727, that multiplied together give a triangular number (8501626 = T₄₁₂₃).

The spelling of 38223727 in words is "thirty-eight million, two hundred twenty-three thousand, seven hundred twenty-seven".