4394369 has 6 divisors (see below), whose sum is σ = 5111874. Its totient is φ = 3766560.

The previous prime is 4394353. The next prime is 4394371. The reversal of 4394369 is 9634934.

It can be written as a sum of positive squares in only one way, i.e., 3952144 + 442225 = 1988^2 + 665^2 .

It is not a de Polignac number, because 4394369 - 2⁴ = 4394353 is a prime.

It is a super-2 number, since 2×4394369² = 38620957816322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4394309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44792 + ... + 44889.

It is an arithmetic number, because the mean of its divisors is an integer number (851979).

Almost surely, 2^4394369 is an apocalyptic number.

4394369 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4394369 is a deficient number, since it is larger than the sum of its proper divisors (717505).

4394369 is an equidigital number, since it uses as much as digits as its factorization.

4394369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89695 (or 89688 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 4394369 is about 2096.2750296657. The cubic root of 4394369 is about 163.7943212778.

The spelling of 4394369 in words is "four million, three hundred ninety-four thousand, three hundred sixty-nine".