38634042 has 8 divisors (see below), whose sum is σ = 77268096. Its totient is φ = 12878012.

The previous prime is 38634041. The next prime is 38634067. The reversal of 38634042 is 24043683.

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

38634042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (38634041) 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 3 ways as a sum of consecutive naturals, for example, 3219498 + ... + 3219509.

It is an arithmetic number, because the mean of its divisors is an integer number (9658512).

Almost surely, 2^38634042 is an apocalyptic number.

38634042 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.

38634042 is a wasteful number, since it uses less digits than its factorization.

38634042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6439012.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 38634042 is about 6215.6288499234. The cubic root of 38634042 is about 338.0570903647.

The spelling of 38634042 in words is "thirty-eight million, six hundred thirty-four thousand, forty-two".