38471928 has 64 divisors (see below), whose sum is σ = 107395200. Its totient is φ = 11383680.

The previous prime is 38471921. The next prime is 38471947. The reversal of 38471928 is 82917483.

It is a self number, because there is not a number n which added to its sum of digits gives 38471928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38471921) 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, 9658 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (1678050).

Almost surely, 2^38471928 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 38471928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53697600).

38471928 is an abundant number, since it is smaller than the sum of its proper divisors (68923272).

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

38471928 is a wasteful number, since it uses less digits than its factorization.

38471928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452 (or 3448 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 38471928 is about 6202.5743042708. The cubic root of 38471928 is about 337.5835820426.

It can be divided in two parts, 3847 and 1928, that added together give a palindrome (5775).

The spelling of 38471928 in words is "thirty-eight million, four hundred seventy-one thousand, nine hundred twenty-eight".