4049216 has 28 divisors (see below), whose sum is σ = 8107680. Its totient is φ = 2006400.

The previous prime is 4049207. The next prime is 4049231. The reversal of 4049216 is 6129404.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9455 + ... + 9873.

It is an arithmetic number, because the mean of its divisors is an integer number (289560).

Almost surely, 2^4049216 is an apocalyptic number.

It is an amenable number.

4049216 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

4049216 is a wasteful number, since it uses less digits than its factorization.

4049216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4049216 is about 2012.2663839562. The cubic root of 4049216 is about 159.3884992282.

The spelling of 4049216 in words is "four million, forty-nine thousand, two hundred sixteen".