38863400 has 48 divisors (see below), whose sum is σ = 92479200. Its totient is φ = 15180480.

The previous prime is 38863387. The next prime is 38863403. The reversal of 38863400 is 436883.

It is not an unprimeable number, because it can be changed into a prime (38863403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6341 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (1926650).

Almost surely, 2^38863400 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 38863400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46239600).

38863400 is an abundant number, since it is smaller than the sum of its proper divisors (53615800).

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

38863400 is a wasteful number, since it uses less digits than its factorization.

38863400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578 (or 4569 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 38863400 is about 6234.0516520157. The cubic root of 38863400 is about 338.7247499596.

The spelling of 38863400 in words is "thirty-eight million, eight hundred sixty-three thousand, four hundred".