4030049 has 4 divisors (see below), whose sum is σ = 4036500. Its totient is φ = 4023600.

The previous prime is 4030007. The next prime is 4030051. The reversal of 4030049 is 9400304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1517824 + 2512225 = 1232^2 + 1585^2 .

It is a cyclic number.

It is not a de Polignac number, because 4030049 - 2⁸ = 4029793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4030049.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030069) 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, 2174 + ... + 3575.

It is an arithmetic number, because the mean of its divisors is an integer number (1009125).

Almost surely, 2^4030049 is an apocalyptic number.

It is an amenable number.

4030049 is a deficient number, since it is larger than the sum of its proper divisors (6451).

4030049 is an equidigital number, since it uses as much as digits as its factorization.

4030049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6450.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 4030049 is about 2007.4981942707. The cubic root of 4030049 is about 159.1366124128.

The spelling of 4030049 in words is "four million, thirty thousand, forty-nine".