4049408 has 40 divisors (see below), whose sum is σ = 8838720. Its totient is φ = 1838080.

The previous prime is 4049401. The next prime is 4049429. The reversal of 4049408 is 8049404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4049401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5273 + ... + 5991.

It is an arithmetic number, because the mean of its divisors is an integer number (220968).

Almost surely, 2^4049408 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 4049408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4419360).

4049408 is an abundant number, since it is smaller than the sum of its proper divisors (4789312).

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

4049408 is an equidigital number, since it uses as much as digits as its factorization.

4049408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4049408 is about 2012.3140907920. The cubic root of 4049408 is about 159.3910184079.

The spelling of 4049408 in words is "four million, forty-nine thousand, four hundred eight".