38874381 has 32 divisors (see below), whose sum is σ = 64339968. Its totient is φ = 20329920.

The previous prime is 38874379. The next prime is 38874391. The reversal of 38874381 is 18347883.

It is not a de Polignac number, because 38874381 - 2¹ = 38874379 is a prime.

It is a super-2 number, since 2×38874381² = 3022434996266322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38874391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35220 + ... + 36306.

It is an arithmetic number, because the mean of its divisors is an integer number (2010624).

Almost surely, 2^38874381 is an apocalyptic number.

It is an amenable number.

38874381 is a deficient number, since it is larger than the sum of its proper divisors (25465587).

38874381 is a wasteful number, since it uses less digits than its factorization.

38874381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its digits is 129024, while the sum is 42.

The square root of 38874381 is about 6234.9323171948. The cubic root of 38874381 is about 338.7566496064.

The spelling of 38874381 in words is "thirty-eight million, eight hundred seventy-four thousand, three hundred eighty-one".