38216304 has 120 divisors (see below), whose sum is σ = 126277632. Its totient is φ = 10558080.

The previous prime is 38216291. The next prime is 38216309. The reversal of 38216304 is 40361283.

It is a happy number.

38216304 is a `hidden beast` number, since 3 + 8 + 21 + 630 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38216309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30637 + ... + 31859.

Almost surely, 2^38216304 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 38216304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63138816).

38216304 is an abundant number, since it is smaller than the sum of its proper divisors (88061328).

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

38216304 is a wasteful number, since it uses less digits than its factorization.

38216304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 38216304 is about 6181.9336780655. The cubic root of 38216304 is about 336.8342365281.

Adding to 38216304 its reverse (40361283), we get a palindrome (78577587).

The spelling of 38216304 in words is "thirty-eight million, two hundred sixteen thousand, three hundred four".