4281869 has 2 divisors, whose sum is σ = 4281870. Its totient is φ = 4281868.

The previous prime is 4281863. The next prime is 4281889. The reversal of 4281869 is 9681824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3104644 + 1177225 = 1762^2 + 1085^2 .

It is a cyclic number.

It is not a de Polignac number, because 4281869 - 2⁴ = 4281853 is a prime.

It is a super-2 number, since 2×4281869² = 36668804266322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4281863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2140934 + 2140935.

It is an arithmetic number, because the mean of its divisors is an integer number (2140935).

Almost surely, 2^4281869 is an apocalyptic number.

It is an amenable number.

4281869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4281869 is an equidigital number, since it uses as much as digits as its factorization.

4281869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 38.

The square root of 4281869 is about 2069.2677448798. The cubic root of 4281869 is about 162.3844575102.

The spelling of 4281869 in words is "four million, two hundred eighty-one thousand, eight hundred sixty-nine".