38847856 has 40 divisors (see below), whose sum is σ = 83900880. Its totient is φ = 17316864.

The previous prime is 38847847. The next prime is 38847871. The reversal of 38847856 is 65874883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1410 + ... + 8926.

It is an arithmetic number, because the mean of its divisors is an integer number (2097522).

Almost surely, 2^38847856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38847856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41950440).

38847856 is an abundant number, since it is smaller than the sum of its proper divisors (45053024).

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

38847856 is a wasteful number, since it uses less digits than its factorization.

38847856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7561 (or 7555 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The square root of 38847856 is about 6232.8048260795. The cubic root of 38847856 is about 338.6795845887.

The spelling of 38847856 in words is "thirty-eight million, eight hundred forty-seven thousand, eight hundred fifty-six".