38884320 has 96 divisors (see below), whose sum is σ = 136110240. Its totient is φ = 10368000.

The previous prime is 38884319. The next prime is 38884327. The reversal of 38884320 is 2348883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38884327) 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, 181 + ... + 8820.

It is an arithmetic number, because the mean of its divisors is an integer number (1417815).

Almost surely, 2^38884320 is an apocalyptic number.

38884320 is a gapful number since it is divisible by the number (30) 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 38884320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68055120).

38884320 is an abundant number, since it is smaller than the sum of its proper divisors (97225920).

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

38884320 is a wasteful number, since it uses less digits than its factorization.

38884320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9025 (or 9011 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 38884320 is about 6235.7293077875. The cubic root of 38884320 is about 338.7855170795.

It can be divided in two parts, 38884 and 320, that added together give a square (39204 = 198²).

The spelling of 38884320 in words is "thirty-eight million, eight hundred eighty-four thousand, three hundred twenty".