38389478 has 8 divisors (see below), whose sum is σ = 57616968. Its totient is φ = 19183824.

The previous prime is 38389469. The next prime is 38389493. The reversal of 38389478 is 87498383.

It is a happy number.

38389478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×38389478² = 2947504042224968, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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 3 ways as a sum of consecutive naturals, for example, 50 + ... + 8762.

It is an arithmetic number, because the mean of its divisors is an integer number (7202121).

Almost surely, 2^38389478 is an apocalyptic number.

38389478 is a deficient number, since it is larger than the sum of its proper divisors (19227490).

38389478 is a wasteful number, since it uses less digits than its factorization.

38389478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10918.

The product of its digits is 1161216, while the sum is 50.

The square root of 38389478 is about 6195.9243055415. The cubic root of 38389478 is about 337.3422487276.

The spelling of 38389478 in words is "thirty-eight million, three hundred eighty-nine thousand, four hundred seventy-eight".