4049850 has 144 divisors (see below), whose sum is σ = 12722400. Its totient is φ = 846720.

The previous prime is 4049833. The next prime is 4049873. The reversal of 4049850 is 589404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 139636 + ... + 139664.

It is an arithmetic number, because the mean of its divisors is an integer number (88350).

Almost surely, 2^4049850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4049850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6361200).

4049850 is an abundant number, since it is smaller than the sum of its proper divisors (8672550).

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

4049850 is a wasteful number, since it uses less digits than its factorization.

4049850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4049850 is about 2012.4239116051. The cubic root of 4049850 is about 159.3968174669.

The spelling of 4049850 in words is "four million, forty-nine thousand, eight hundred fifty".