38366720 has 80 divisors (see below), whose sum is σ = 105180768. Its totient is φ = 13148160.

The previous prime is 38366687. The next prime is 38366723. The reversal of 38366720 is 2766383.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38366723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16850 + ... + 18990.

Almost surely, 2^38366720 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 38366720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52590384).

38366720 is an abundant number, since it is smaller than the sum of its proper divisors (66814048).

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

38366720 is an equidigital number, since it uses as much as digits as its factorization.

38366720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 38366720 is about 6194.0875034181. The cubic root of 38366720 is about 337.2755746208.

The spelling of 38366720 in words is "thirty-eight million, three hundred sixty-six thousand, seven hundred twenty".