38321856 has 112 divisors (see below), whose sum is σ = 114686080. Its totient is φ = 12545280.

The previous prime is 38321851. The next prime is 38321867. The reversal of 38321856 is 65812383.

38321856 is nontrivially palindromic in base 7.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 38321856.

It is not an unprimeable number, because it can be changed into a prime (38321851) 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 15 ways as a sum of consecutive naturals, for example, 115611 + ... + 115941.

Almost surely, 2^38321856 is an apocalyptic number.

38321856 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38321856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57343040).

38321856 is an abundant number, since it is smaller than the sum of its proper divisors (76364224).

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

38321856 is a wasteful number, since it uses less digits than its factorization.

38321856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 403 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 38321856 is about 6190.4649259971. The cubic root of 38321856 is about 337.1440593109.

The spelling of 38321856 in words is "thirty-eight million, three hundred twenty-one thousand, eight hundred fifty-six".