38412638 has 8 divisors (see below), whose sum is σ = 62857080. Its totient is φ = 17460280.

The previous prime is 38412637. The next prime is 38412767. The reversal of 38412638 is 83621483.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 38412598 and 38412607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38412637) 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, 872993 + ... + 873036.

It is an arithmetic number, because the mean of its divisors is an integer number (7857135).

Almost surely, 2^38412638 is an apocalyptic number.

38412638 is a deficient number, since it is larger than the sum of its proper divisors (24444442).

38412638 is a wasteful number, since it uses less digits than its factorization.

38412638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746042.

The product of its digits is 27648, while the sum is 35.

The square root of 38412638 is about 6197.7929942843. The cubic root of 38412638 is about 337.4100735265.

The spelling of 38412638 in words is "thirty-eight million, four hundred twelve thousand, six hundred thirty-eight".