38984381 has 8 divisors (see below), whose sum is σ = 40435200. Its totient is φ = 37540720.

The previous prime is 38984377. The next prime is 38984459. The reversal of 38984381 is 18348983.

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 38984381 - 2² = 38984377 is a prime.

It is a super-2 number, since 2×38984381² = 3039563923906322, 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 (38984311) 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, 10940 + ... + 14058.

It is an arithmetic number, because the mean of its divisors is an integer number (5054400).

Almost surely, 2^38984381 is an apocalyptic number.

It is an amenable number.

38984381 is a deficient number, since it is larger than the sum of its proper divisors (1450819).

38984381 is a wasteful number, since it uses less digits than its factorization.

38984381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579.

The product of its digits is 165888, while the sum is 44.

The square root of 38984381 is about 6243.7473523518. The cubic root of 38984381 is about 339.0758670330.

The spelling of 38984381 in words is "thirty-eight million, nine hundred eighty-four thousand, three hundred eighty-one".