38728814 has 8 divisors (see below), whose sum is σ = 58960488. Its totient is φ = 19075320.

The previous prime is 38728793. The next prime is 38728831. The reversal of 38728814 is 41882783.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144377 + ... + 144644.

It is an arithmetic number, because the mean of its divisors is an integer number (7370061).

Almost surely, 2^38728814 is an apocalyptic number.

38728814 is a deficient number, since it is larger than the sum of its proper divisors (20231674).

38728814 is a wasteful number, since it uses less digits than its factorization.

38728814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289090.

The product of its digits is 86016, while the sum is 41.

The square root of 38728814 is about 6223.2478658655. The cubic root of 38728814 is about 338.3332905164. Note that the first 3 decimals are identical.

The spelling of 38728814 in words is "thirty-eight million, seven hundred twenty-eight thousand, eight hundred fourteen".