4049604 has 72 divisors (see below), whose sum is σ = 11695320. Its totient is φ = 1170432.

The previous prime is 4049593. The next prime is 4049609. The reversal of 4049604 is 4069404.

It can be written as a sum of positive squares in 4 ways, for example, as 980100 + 3069504 = 990^2 + 1752^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7702 + ... + 8210.

It is an arithmetic number, because the mean of its divisors is an integer number (162435).

Almost surely, 2^4049604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4049604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5847660).

4049604 is an abundant number, since it is smaller than the sum of its proper divisors (7645716).

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

4049604 is a wasteful number, since it uses less digits than its factorization.

4049604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 4049604 is about 2012.3627903537. The cubic root of 4049604 is about 159.3935899884.

The spelling of 4049604 in words is "four million, forty-nine thousand, six hundred four".