38660900 has 18 divisors (see below), whose sum is σ = 83894370. Its totient is φ = 15464320.

The previous prime is 38660899. The next prime is 38660911. The reversal of 38660900 is 906683.

It is a happy number.

38660900 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 3 ways, for example, as 11182336 + 27478564 = 3344^2 + 5242^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 193205 + ... + 193404.

Almost surely, 2^38660900 is an apocalyptic number.

It is an amenable number.

38660900 is an abundant number, since it is smaller than the sum of its proper divisors (45233470).

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

38660900 is a wasteful number, since it uses less digits than its factorization.

38660900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386623 (or 386616 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 38660900 is about 6217.7889960982. The cubic root of 38660900 is about 338.1354101890.

The spelling of 38660900 in words is "thirty-eight million, six hundred sixty thousand, nine hundred".