38442678 has 16 divisors (see below), whose sum is σ = 81408240. Its totient is φ = 12060416.

The previous prime is 38442659. The next prime is 38442709. The reversal of 38442678 is 87624483.

38442678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188343 + ... + 188546.

It is an arithmetic number, because the mean of its divisors is an integer number (5088015).

Almost surely, 2^38442678 is an apocalyptic number.

38442678 is an abundant number, since it is smaller than the sum of its proper divisors (42965562).

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

38442678 is a wasteful number, since it uses less digits than its factorization.

38442678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376911.

The product of its digits is 258048, while the sum is 42.

The square root of 38442678 is about 6200.2159639806. The cubic root of 38442678 is about 337.4980060239.

The spelling of 38442678 in words is "thirty-eight million, four hundred forty-two thousand, six hundred seventy-eight".