3903216 has 40 divisors (see below), whose sum is σ = 10155600. Its totient is φ = 1291776.

The previous prime is 3903203. The next prime is 3903223. The reversal of 3903216 is 6123093.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 11010 + ... + 11358.

It is an arithmetic number, because the mean of its divisors is an integer number (253890).

Almost surely, 2^3903216 is an apocalyptic number.

It is an amenable number.

3903216 is an abundant number, since it is smaller than the sum of its proper divisors (6252384).

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

3903216 is a wasteful number, since it uses less digits than its factorization.

3903216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 3903216 is about 1975.6558404742. The cubic root of 3903216 is about 157.4493462708.

The spelling of 3903216 in words is "three million, nine hundred three thousand, two hundred sixteen".