38438706 has 16 divisors (see below), whose sum is σ = 76999104. Its totient is φ = 12792624.

The previous prime is 38438693. The next prime is 38438713. The reversal of 38438706 is 60783483.

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 7 ways as a sum of consecutive naturals, for example, 670 + ... + 8793.

It is an arithmetic number, because the mean of its divisors is an integer number (4812444).

Almost surely, 2^38438706 is an apocalyptic number.

38438706 is an abundant number, since it is smaller than the sum of its proper divisors (38560398).

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

38438706 is a wasteful number, since it uses less digits than its factorization.

38438706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10145.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 38438706 is about 6199.8956442831. The cubic root of 38438706 is about 337.4863818922.

The spelling of 38438706 in words is "thirty-eight million, four hundred thirty-eight thousand, seven hundred six".