4049129 has 8 divisors (see below), whose sum is σ = 4669440. Its totient is φ = 3439296.

The previous prime is 4049107. The next prime is 4049131. The reversal of 4049129 is 9219404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4049129 - 2²⁰ = 3000553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4049029) 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 7 ways as a sum of consecutive naturals, for example, 1769 + ... + 3350.

It is an arithmetic number, because the mean of its divisors is an integer number (583680).

Almost surely, 2^4049129 is an apocalyptic number.

It is an amenable number.

4049129 is a deficient number, since it is larger than the sum of its proper divisors (620311).

4049129 is a wasteful number, since it uses less digits than its factorization.

4049129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 4049129 is about 2012.2447664238. The cubic root of 4049129 is about 159.3873576987.

The spelling of 4049129 in words is "four million, forty-nine thousand, one hundred twenty-nine".