38851284 has 12 divisors (see below), whose sum is σ = 90653024. Its totient is φ = 12950424.

The previous prime is 38851249. The next prime is 38851289. The reversal of 38851284 is 48215883.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38851289) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1618792 + ... + 1618815.

Almost surely, 2^38851284 is an apocalyptic number.

It is an amenable number.

38851284 is an abundant number, since it is smaller than the sum of its proper divisors (51801740).

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

38851284 is a wasteful number, since it uses less digits than its factorization.

38851284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237614 (or 3237612 counting only the distinct ones).

The product of its digits is 61440, while the sum is 39.

The square root of 38851284 is about 6233.0798165915. The cubic root of 38851284 is about 338.6895461806.

The spelling of 38851284 in words is "thirty-eight million, eight hundred fifty-one thousand, two hundred eighty-four".