38404857 has 8 divisors (see below), whose sum is σ = 51359776. Its totient is φ = 25526592.

The previous prime is 38404843. The next prime is 38404859. The reversal of 38404857 is 75840483.

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

It is not a de Polignac number, because 38404857 - 2⁴ = 38404841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38404859) 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 7 ways as a sum of consecutive naturals, for example, 17983 + ... + 20004.

It is an arithmetic number, because the mean of its divisors is an integer number (6419972).

Almost surely, 2^38404857 is an apocalyptic number.

It is an amenable number.

38404857 is a deficient number, since it is larger than the sum of its proper divisors (12954919).

38404857 is a wasteful number, since it uses less digits than its factorization.

38404857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38327.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 38404857 is about 6197.1652390428. The cubic root of 38404857 is about 337.3872896615.

The spelling of 38404857 in words is "thirty-eight million, four hundred four thousand, eight hundred fifty-seven".