38306500 has 48 divisors (see below), whose sum is σ = 87325056. Its totient is φ = 14652000.

The previous prime is 38306473. The next prime is 38306503. The reversal of 38306500 is 560383.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (38306503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9835 + ... + 13165.

It is an arithmetic number, because the mean of its divisors is an integer number (1819272).

Almost surely, 2^38306500 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 38306500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43662528).

38306500 is an abundant number, since it is smaller than the sum of its proper divisors (49018556).

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

38306500 is a wasteful number, since it uses less digits than its factorization.

38306500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 38306500 is about 6189.2245071576. The cubic root of 38306500 is about 337.0990208186.

Adding to 38306500 its reverse (560383), we get a palindrome (38866883).

The spelling of 38306500 in words is "thirty-eight million, three hundred six thousand, five hundred".