38881734 has 8 divisors (see below), whose sum is σ = 77763480. Its totient is φ = 12960576.

The previous prime is 38881729. The next prime is 38881751. The reversal of 38881734 is 43718883.

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

38881734 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3240139 + ... + 3240150.

It is an arithmetic number, because the mean of its divisors is an integer number (9720435).

Almost surely, 2^38881734 is an apocalyptic number.

38881734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38881734 is a wasteful number, since it uses less digits than its factorization.

38881734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480294.

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

The square root of 38881734 is about 6235.5219508875. The cubic root of 38881734 is about 338.7780066077.

The spelling of 38881734 in words is "thirty-eight million, eight hundred eighty-one thousand, seven hundred thirty-four".