38375381 has 8 divisors (see below), whose sum is σ = 43308000. Its totient is φ = 33683440.

The previous prime is 38375377. The next prime is 38375387. The reversal of 38375381 is 18357383.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38375381 - 2² = 38375377 is a prime.

It is a super-2 number, since 2×38375381² = 2945339733790322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38375387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59831 + ... + 60468.

It is an arithmetic number, because the mean of its divisors is an integer number (5413500).

Almost surely, 2^38375381 is an apocalyptic number.

It is an amenable number.

38375381 is a deficient number, since it is larger than the sum of its proper divisors (4932619).

38375381 is a wasteful number, since it uses less digits than its factorization.

38375381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120339.

The product of its digits is 60480, while the sum is 38.

The square root of 38375381 is about 6194.7865984229. The cubic root of 38375381 is about 337.3009518573.

The spelling of 38375381 in words is "thirty-eight million, three hundred seventy-five thousand, three hundred eighty-one".