3788216 has 8 divisors (see below), whose sum is σ = 7102920. Its totient is φ = 1894104.

The previous prime is 3788209. The next prime is 3788219. The reversal of 3788216 is 6128873.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3788219) 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 as a sum of consecutive naturals, namely, 236756 + ... + 236771.

It is an arithmetic number, because the mean of its divisors is an integer number (887865).

Almost surely, 2^3788216 is an apocalyptic number.

It is an amenable number.

3788216 is a deficient number, since it is larger than the sum of its proper divisors (3314704).

3788216 is a wasteful number, since it uses less digits than its factorization.

3788216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473533 (or 473529 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 3788216 is about 1946.3339898383. Note that the first 3 decimals coincide. The cubic root of 3788216 is about 155.8876025791.

It can be divided in two parts, 3788 and 216, that added together give a palindrome (4004).

The spelling of 3788216 in words is "three million, seven hundred eighty-eight thousand, two hundred sixteen".