1038448857 has 8 divisors (see below), whose sum is σ = 1457472160. Its totient is φ = 655862400.

The previous prime is 1038448841. The next prime is 1038448867. The reversal of 1038448857 is 7588448301.

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

It is not a de Polignac number, because 1038448857 - 2⁴ = 1038448841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1038448837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9109144 + ... + 9109257.

It is an arithmetic number, because the mean of its divisors is an integer number (182184020).

Almost surely, 2^1038448857 is an apocalyptic number.

It is an amenable number.

1038448857 is a deficient number, since it is larger than the sum of its proper divisors (419023303).

1038448857 is a wasteful number, since it uses less digits than its factorization.

1038448857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18218423.

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 1038448857 is about 32224.9725678704. The cubic root of 1038448857 is about 1012.6554496274.

The spelling of 1038448857 in words is "one billion, thirty-eight million, four hundred forty-eight thousand, eight hundred fifty-seven".