38907700 has 54 divisors (see below), whose sum is σ = 91452914. Its totient is φ = 14282880.

The previous prime is 38907677. The next prime is 38907707. The reversal of 38907700 is 770983.

38907700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 9 ways, for example, as 2377764 + 36529936 = 1542^2 + 6044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38907707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 224814 + ... + 224986.

Almost surely, 2^38907700 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 38907700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45726457).

38907700 is an abundant number, since it is smaller than the sum of its proper divisors (52545214).

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

38907700 is a wasteful number, since it uses less digits than its factorization.

38907700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 38907700 is about 6237.6037065527. The cubic root of 38907700 is about 338.8534040702.

The spelling of 38907700 in words is "thirty-eight million, nine hundred seven thousand, seven hundred".