4044869 has 2 divisors, whose sum is σ = 4044870. Its totient is φ = 4044868.

The previous prime is 4044851. The next prime is 4044871. The reversal of 4044869 is 9684404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2512225 + 1532644 = 1585^2 + 1238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4044869 is a prime.

It is a super-2 number, since 2×4044869² = 32721930454322, which contains 22 as substring.

Together with 4044871, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4044889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022434 + 2022435.

It is an arithmetic number, because the mean of its divisors is an integer number (2022435).

Almost surely, 2^4044869 is an apocalyptic number.

It is an amenable number.

4044869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4044869 is an equidigital number, since it uses as much as digits as its factorization.

4044869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 4044869 is about 2011.1859685270. The cubic root of 4044869 is about 159.3314421014.

It can be divided in two parts, 4044 and 869, that added together give a cube (4913 = 17³).

The spelling of 4044869 in words is "four million, forty-four thousand, eight hundred sixty-nine".