38636380 has 12 divisors (see below), whose sum is σ = 81136440. Its totient is φ = 15454544.

The previous prime is 38636371. The next prime is 38636383. The reversal of 38636380 is 8363683.

38636380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38636383) 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 3 ways as a sum of consecutive naturals, for example, 965890 + ... + 965929.

It is an arithmetic number, because the mean of its divisors is an integer number (6761370).

Almost surely, 2^38636380 is an apocalyptic number.

It is an amenable number.

38636380 is an abundant number, since it is smaller than the sum of its proper divisors (42500060).

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

38636380 is a wasteful number, since it uses less digits than its factorization.

38636380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931828 (or 1931826 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 38636380 is about 6215.8169213708. The cubic root of 38636380 is about 338.0639095799.

The spelling of 38636380 in words is "thirty-eight million, six hundred thirty-six thousand, three hundred eighty".