38754381 has 4 divisors (see below), whose sum is σ = 51672512. Its totient is φ = 25836252.

The previous prime is 38754377. The next prime is 38754413. The reversal of 38754381 is 18345783.

38754381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18345783 = 3 ⋅6115261.

It is not a de Polignac number, because 38754381 - 2² = 38754377 is a prime.

It is a super-4 number, since 4×38754381⁴ (a number of 31 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38754311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6459061 + ... + 6459066.

It is an arithmetic number, because the mean of its divisors is an integer number (12918128).

Almost surely, 2^38754381 is an apocalyptic number.

It is an amenable number.

38754381 is a deficient number, since it is larger than the sum of its proper divisors (12918131).

38754381 is a wasteful number, since it uses less digits than its factorization.

38754381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918130.

The product of its digits is 80640, while the sum is 39.

The square root of 38754381 is about 6225.3016794369. The cubic root of 38754381 is about 338.4077248850.

It can be divided in two parts, 3875 and 4381, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 38754381 in words is "thirty-eight million, seven hundred fifty-four thousand, three hundred eighty-one".