38857463 has 4 divisors (see below), whose sum is σ = 39805248. Its totient is φ = 37909680.

The previous prime is 38857453. The next prime is 38857487. The reversal of 38857463 is 36475883.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38857463 - 2¹⁰ = 38856439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38857433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473831 + ... + 473912.

It is an arithmetic number, because the mean of its divisors is an integer number (9951312).

Almost surely, 2^38857463 is an apocalyptic number.

38857463 is a deficient number, since it is larger than the sum of its proper divisors (947785).

38857463 is an equidigital number, since it uses as much as digits as its factorization.

38857463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947784.

The product of its digits is 483840, while the sum is 44.

The square root of 38857463 is about 6233.5754587556. The cubic root of 38857463 is about 338.7075005573.

The spelling of 38857463 in words is "thirty-eight million, eight hundred fifty-seven thousand, four hundred sixty-three".