38393900 has 36 divisors (see below), whose sum is σ = 86942352. Its totient is φ = 14688960.

The previous prime is 38393899. The next prime is 38393933. The reversal of 38393900 is 939383.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6047 + ... + 10646.

Almost surely, 2^38393900 is an apocalyptic number.

It is an amenable number.

38393900 is an abundant number, since it is smaller than the sum of its proper divisors (48548452).

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

38393900 is a wasteful number, since it uses less digits than its factorization.

38393900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16730 (or 16723 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 38393900 is about 6196.2811427501. The cubic root of 38393900 is about 337.3552008022.

It can be divided in two parts, 38393 and 900, that added together give a palindrome (39293).

The spelling of 38393900 in words is "thirty-eight million, three hundred ninety-three thousand, nine hundred".