3808216 has 8 divisors (see below), whose sum is σ = 7140420. Its totient is φ = 1904104.

The previous prime is 3808177. The next prime is 3808223. The reversal of 3808216 is 6128083.

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238006 + ... + 238021.

Almost surely, 2^3808216 is an apocalyptic number.

It is an amenable number.

3808216 is a deficient number, since it is larger than the sum of its proper divisors (3332204).

3808216 is a wasteful number, since it uses less digits than its factorization.

3808216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476033 (or 476029 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 3808216 is about 1951.4650906434. The cubic root of 3808216 is about 156.1614589566.

The spelling of 3808216 in words is "three million, eight hundred eight thousand, two hundred sixteen".