4478069 has 2 divisors, whose sum is σ = 4478070. Its totient is φ = 4478068.

The previous prime is 4478059. The next prime is 4478081. The reversal of 4478069 is 9608744.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4355569 + 122500 = 2087^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 4478069 - 2⁸ = 4477813 is a prime.

It is a super-2 number, since 2×4478069² = 40106203937522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4478009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239034 + 2239035.

It is an arithmetic number, because the mean of its divisors is an integer number (2239035).

Almost surely, 2^4478069 is an apocalyptic number.

It is an amenable number.

4478069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478069 is an equidigital number, since it uses as much as digits as its factorization.

4478069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4478069 is about 2116.1448438139. The cubic root of 4478069 is about 164.8277234638.

The spelling of 4478069 in words is "four million, four hundred seventy-eight thousand, sixty-nine".