3892816 has 10 divisors (see below), whose sum is σ = 7542362. Its totient is φ = 1946400.

The previous prime is 3892799. The next prime is 3892817. The reversal of 3892816 is 6182983.

3892816 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 only one way, i.e., 2547216 + 1345600 = 1596^2 + 1160^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3892817) 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 as a sum of consecutive naturals, namely, 121635 + ... + 121666.

Almost surely, 2^3892816 is an apocalyptic number.

It is an amenable number.

3892816 is a deficient number, since it is larger than the sum of its proper divisors (3649546).

3892816 is a wasteful number, since it uses less digits than its factorization.

3892816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243309 (or 243303 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 3892816 is about 1973.0220475200. The cubic root of 3892816 is about 157.3093822266.

The spelling of 3892816 in words is "three million, eight hundred ninety-two thousand, eight hundred sixteen".