4144949 has 4 divisors (see below), whose sum is σ = 4149036. Its totient is φ = 4140864.

The previous prime is 4144919. The next prime is 4144961. The reversal of 4144949 is 9494414.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2235025 + 1909924 = 1495^2 + 1382^2 .

It is a cyclic number.

It is not a de Polignac number, because 4144949 - 2¹² = 4140853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144919) 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, 767 + ... + 2979.

It is an arithmetic number, because the mean of its divisors is an integer number (1037259).

Almost surely, 2^4144949 is an apocalyptic number.

It is an amenable number.

4144949 is a deficient number, since it is larger than the sum of its proper divisors (4087).

4144949 is a wasteful number, since it uses less digits than its factorization.

4144949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086.

The product of its digits is 20736, while the sum is 35.

The square root of 4144949 is about 2035.9147821066. The cubic root of 4144949 is about 160.6348345960.

The spelling of 4144949 in words is "four million, one hundred forty-four thousand, nine hundred forty-nine".