4390469 has 2 divisors, whose sum is σ = 4390470. Its totient is φ = 4390468.

The previous prime is 4390453. The next prime is 4390481. The reversal of 4390469 is 9640934.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4389025 + 1444 = 2095^2 + 38^2 .

It is a cyclic number.

It is not a de Polignac number, because 4390469 - 2⁴ = 4390453 is a prime.

It is a super-2 number, since 2×4390469² = 38552436079922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4390409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2195234 + 2195235.

It is an arithmetic number, because the mean of its divisors is an integer number (2195235).

Almost surely, 2^4390469 is an apocalyptic number.

It is an amenable number.

4390469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4390469 is an equidigital number, since it uses as much as digits as its factorization.

4390469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 4390469 is about 2095.3446017302. The cubic root of 4390469 is about 163.7458511468.

The spelling of 4390469 in words is "four million, three hundred ninety thousand, four hundred sixty-nine".