4049130 has 32 divisors (see below), whose sum is σ = 9859968. Its totient is φ = 1064000.

The previous prime is 4049107. The next prime is 4049131. The reversal of 4049130 is 319404.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4049097 and 4049106.

It is not an unprimeable number, because it can be changed into a prime (4049131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1180 + ... + 3080.

It is an arithmetic number, because the mean of its divisors is an integer number (308124).

Almost surely, 2^4049130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4049130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4929984).

4049130 is an abundant number, since it is smaller than the sum of its proper divisors (5810838).

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

4049130 is a wasteful number, since it uses less digits than its factorization.

4049130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4049130 is about 2012.2450149025. The cubic root of 4049130 is about 159.3873708198.

The spelling of 4049130 in words is "four million, forty-nine thousand, one hundred thirty".